No More Learning

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108
THE CREATION.
LETTER VII.
PRAISE YE THE LORD. PRAISE YE THE LORD FROM THE HEAVENS : PRAISE HIM IN
THE HEIGHTS. PRAISE YE HIM, SUN AND MOON : PRAISE HIM, ALL YE STARS OF
light. --Ptalm cxlviii. 1, 3.
Dear Children,
Three days the earth had revolved on its axis, and now the fourth
morning opens with exceeding glory. The trees and herbs and flowers
had indeed covered the earth with beauty, but yet without the gracious
Creation of the sun they could not continue: for just as the second
day provided them beforehand air to breathe, so did the fourth send
forth the bright and fervent rays of the sun, to open every flower, and
to give the state of absolute perfectness to the trees, bearing fruit and
seed after their kind.
The ordering of the fourth day is thus described in Gen. i. :--" And
God said, Let there be lights in the firmament of the heaven, to divide
the day from the night; and let them be for signs and for seasons, and
for days and for years: and let them be for lights in the firmament of
the heaven, to give light upon the earth: and it was so. And God
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-itTM DAY.
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? 1
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? LETTER VII.
109
made two great lights; the greater light to rule the day, and the
lesser light to rule the night: he made the stars also. And God
set them in the firmament of the heaven to give light upon the
earth, and to rule over the day and over the night, and to divide the
light from the darkness: and God saw that it was good. And the
evening and the morning were the fourth day. " (Ver. 14--19. )
Instantly the sun glowed in the firmament of the heavens, and the
moon and the stars also, each in its own appointed orbit; and the
creation (I should gather from the verses I have quoted) not only
embraced what is called the solar system, i. e. , the sun, moon, and
planets, but the whole of the celestial luminaries--" the starry host"
--whether fixed or planetary.
The light of the first day was indeed glorious; but it had no glory,
by reason of this glory that excelled; for the sun, the future source
of light, was all glorious, and came forth on this, the first day of
its creation, as a bridegroom out of his chamber, and rejoiced as a
strong man to run his race. (Ps. xix. ) And when, by the daily
rotation of the earth, the sun had sunk in the western sky (the first
sun-set in the new world) to light up in its course the other parts
of the globe; then as the light faded away, that vast concave above
us, which had been from the second day as the deep and heavy
azure, now became illumined with innumerable bright and beautiful
stars, some of one magnitude, some of another;--some comparatively
so near to the earth, that the agitated atmosphere did not ruffle the
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THE CREATION.
rays of light passing from them; others so remote, that though of
amazing magnitude, they twinkled as their rays reached us. And
then the moon, nearly at its full, rising in the opposite sky, where
the sun had set, seemed to come forth the queen of the night, to rule
over it as the sun had over the day; and so the evening and the
morning were the fourth day. I remember, when very young, being
struck with those sublime lines, I think of Dr. Young:--
" Behold this midnight glory! worlds on worlds!
Amazing pomp! --redouble this amaze;
Ten thousand add; add twice ten thousand more;
One soul outweighs them all. "
The glory and the mercy of this fourth day's creation are so vast,
that, like as it was on the third day, I hardly know where to begin,
in describing them to you; for the sun is not only the source of light
and heat to us, and the principal cause, under God, of all vegetation,
but it also gives light to the moon and planets, which, in its absence,
shine upon us. But in a lesser point of view, all our astronomical
calculations depend entirely on the known distance, position, and motion
of the heavenly bodies, which to all countries, and especially a com-
mercial island, like our own, is of immense importance; and, excepting
to those who have witnessed it, the accuracy with which the pathway
of a ship is marked through the great ocean seems almost incredible;
so that it not unfrequently happens that a vessel will come from
Sydney to the English Channel, and not be ten miles out of her
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? LETTER VII. Ill
reckoning; and if I remember right, your uncle T. made the Scilly
lights within four or five miles; that is, he found himself, after
traversing some thousands of leagues, just where he expected to be,
within four or five miles; and though his chronometer (which, as you
know, is a watch, or larger time-piece, constructed with extreme accu-
racy, whose balance-wheel is so formed as to be uninfluenced by
changes of temperature) was of the first importance to him, it would
have been of little use without the sun.
A summer without sunshine, and we should have a famine;--a winter
without the sun's occasionally cheering the earth, and most of the
seeds would perish: but the Lord has given the ordinances of heaven
for man's blessing; and summer and winter, seed-time and harvest,
day and night, all come round according to their Creator's will and
promise. (Gen. viii. 22. )
I have been oftentimes struck with that graphic narration of Paul's
voyage, in Acts xxvii. ; but the climax of the storm seems wrought
up to the highest pitch in that description of ver. 20: " And when
neither sun nor stars in many days appeared, and no small tempest
lay on us, all hope that we should be saved was then taken away. "
But there was One with Paul who had him in his care,* and he could
either rebuke the storm or protect him in it: the latter was his will, and
tlius it was " that some on boards, and some on broken pieces of the
ship; and so it came to pass, they all came safe to land. " (Ver. 44. )
? " Lo, I am with you ahvay, even unto the end of the world. " Matt, xxviii. 20.
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? 112
THE CREATION.
Relative to the heavenly bodies, it is the opinion of some of the
best and most learned of men, that they are inhabited; but this, as
they themselves would readily allow, is all conjecture--they may, or
they may not be; for the Scripture, which is the only book which
could give us information on the subject (because it was written by
Him who made them) is entirely silent concerning it. I am not aware
that from Genesis to Revelation there is the slightest or most remote
hint that such is the case. But it has,been said that it so enlarges our
thoughts of the majesty and greatness of God to imagine all this
glory:--systems on systems, and the glorious throne of the Lord the
sun of all--the source of light to all! But, my beloved children, we
need not go abroad into the region of conjecture to get ideas about
God's greatness; there is one subject connected with our earth so full
of glory, that if our souls were rightly directed, they would never
be taken from it; and this object is the cross of the Lord Jesus Christ--
the wisdom of God ; for there mercy and truth meet together,
righteousness and peace kiss each other, (Ps. lxxxv. 10;) there
Justice sheathes her glittering sword, and is the advocate of all
who flee to the cross for refuge, (1 John i. 9;) there Mercy
rejoices; for from the cross go forth blessings that never fail
while there is an empty vessel to fill, (Luke xv. ;) there righteous-
ness gets its full answer, for that blessed sufferer who by that cross
expiated sin, did in his own person magnify the law and make it
honourable, (Isa. xlii. 21;) indeed, had there been one blemish, one
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? LETTER VII.
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personal blot on him, he could not have been a sacrifice; but God's
Lamb, the only begotten of the Father, was holy, harmless, undefiled,
separate from sinners, made higher than the heavens: there peace gets
authority for its blessed message of goodwill to man; for Jesus made
peace by the blood of his cross, Col. i. 20;) he was the One that was
pre-eminently the Peace-Maker, and had by nature and by right that
Beatitude :--" blessed are the peace-makers, for they shall be called
the children of God. " (Matt. v. 9. ) O my beloved children, if a man's
soul be once steadily fixed on the cross of that blessed One who was
with the Father over all, God blessed for ever, (Rom. ix. 5,) all other
glories will fade. Supposing to-day that there were some astronomer,
who had delighted in the thought that all the fixed stars were, like our
sun, the centres of other systems, and that worlds on worlds were
spread out illimitably on every side, but yet whose thoughts con-
cerning his own future existence were all in vague uncertainty. If
tidings came to him for the first time that the Son of the ever blessed
God had become a man, and had bled and died upon this very planet,
this earth, this speck in creation, and moreover that he had died for
him, to bring him to peace here and happiness hereafter; and if the
Spirit of God blessed these tidings to him, so that he believed them,
and realized the blessed truth, and knew in his own soul that he was
forgiven, (Luke vii. 48;) that his sins were put away, (John v. 24 ;)
that he was adopted into the family of Him who made him, (Gal.
iv. 6,7;) taken from the wretchedness of nature and set among princes,
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THE CUEATION.
to inherit the throne of glory, (compare Eph. ii. 1--6, with 1 Sam.
ii. 8;) beloved children, the eye of that astronomer would be fixed on
that cross of Calvary; he would go to Jesus without the camp, bearing
his reproach; and there he would offer ceaseless songs of praise, (Heb.
xiii. 12--15,)--one object, one vast object, would fill his soul, and
the language of his heart would be, " God forbid that I should glory,
save in the cross of our Lord Jesus Christ, by whom the world is
crucified unto me, and I unto the world," (Gal. vi. 14;) and this cross
of Christ would supply him with infinitely more enlarged views of the
glories of God than all his former speculations.
The word astronomy is taken from two Greek words, meaning
" the law of the stars. " Astronomy was the earliest of the sciences,
and this seems most natural; indeed, God says that his invisible glory
is manifested by that which is seen, so that the idolater is left without
excuse. (Rom. i. 20. )
When we consider the great disadvantages the ancients laboured
under, in the want of telescopes,* &c. , the extent of knowledge they
acquired concerning the heavenly bodies is wonderful.
The heads of the two great schools of ancient astronomy were
Pythagoras and Ptolemy. The former was a native of Greece, and
flourished five centuries before the Christian era, and the latter two
hundred and twenty years after. Ptolemy held that the earth was
the great centre round which the sun and all the heavenly bodies
* See Appendix.
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LETTER VII.
115
revolved. Pythagoras held the sun to be the centre, round which the
earth and planets all revolved; and thus he accounted for the appa-
rent movement of the heavenly bodies. The system of Ptolemy,
though now nearly exploded, prevailed for ages; but in the fifteenth
century, Copernicus, a native of Thorne, in Polish Prussia, revived
the principles of Pythagoras, and from him the Solar system is called
the Copernican system. Galileo,* a native of Florence, in the next
century, followed in the same line; and to him we are indebted for
the knowledge of the telescope and pendulum; he also determined
from observation that the sun revolved on its axis. Then came
Kepler, born at Wirtemberg, a man of great genius; and, finally, the
system was established by the means of our illustrious countryman,
Sir Isaac Newton; so that now a follower of Ptolemy is rarely met
with. It was by the swinging of a lamp that Galileo was led to inves-
tigate the laws of the oscillation of the pendulum, which he was the
first to apply as a measure of time, but he left the subject incomplete.
His son, Vincenzo, improved upon his father's labours, and Huygens
perfected it, who thus may be considered the true inventor of the
pendulum clock.
The telescope was not, strictly speaking, invented
by Galileo, but he so improved it, that the heavens became opened
to him by its powers to an astonishing degree. f
? So strenuous was the opposition to the views of Galileo, that he was obliged,
at the command of the church of Rome, to retract his opinions,
t Popular Encyclopaedia, vol. iii. p. 346.
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? 116
THE CREATION.
Having thus introduced the subject of astronomy by this brief
reference to its history, I will now call your attention, first, to the
Solar system, and then to the heaven of the fixed stars.
THE SOLAR SYSTEM.
The Sun is the centre of the Solar system, and never moves from its
place. It revolves on its axis in twenty-five days ten hours. The
sun is the source of light, heat, and vegetation. The diameter of the
sun is 880,000 miles, so that its magnitude is more than a million
times greater than the bulk of our earth; and if you could imagine
our globe to swell out and reach the moon, it would still have to go
200,000 miles beyond it, ere it occupied a space equal to the sun.
The distance of the sun from the earth is upwards of 94,000,000 of
miles; and yet so fervent are its rays, that, on a summer's day, when
yet it is four hours from the meridian, or noon, we are glad to shelter
ourselves from its burning heat.
It seems impossible to ascertain what the character of the body of
the sun may be. Sir Isaac Newton, and the great French astronomer
La Place, imagined it to be a body of fire; but the opinion that now
obtains is, that it is an opaque body, surrounded with a fiery atmo-
sphere. Thus they account for the dark specks on its disk.
THE PLANETS.
Immediately dependent on the sun are the planets, all deriving their
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? LETTER VII.
117
light from him. These all revolve round the sun in unequal periods:
those within the orbit of the earth, make their annual revolution in
less than our year, and those beyond our orbit, in an increased period,
according to the extent of their respective orbits. But, to prevent
confusion in your minds, I have drawn out a table of the planets,*
with their names, distances from the sun, the duration of their annual
circuit, and their size as compared with the earth.
Some of the planets have moons or satellites, which are called
secondary planets; the Earth has one, Jupiter four, Saturn seven,
Georgium Sidus six; the motion of these moons is from west to east,
excepting those of the last named planet, which are from east to west.
The planets whose orbits are within the earth's orbit are called
Inferior, aud those without Superior.
The planets are preserved in their orbits by the two-fold operation
of the centripetal and centrifugal force; the former, as the word
implies, ever attracting them to their centre, the sun; the other, ever
impelling them from the centre; but let us now view them for a little
in their order.
Mercury. --The heat of this planet, from its nearness to the sun, is
very great, above boiling quicksilver; water would boil at its poles; of
course, if inhabited, it must be by beings totally dissimilar to man.
Venus is by far the most brilliant of all the stars of light, and has
been seen in the full day by the naked eye. The heat of Venus,
* See Appendix.
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? 118
TH E C REATION.
except at the poles, would be too great for the animal or vegetable
life with which we are acquainted.
THE EARTH.
I have preferred waiting until we reached the orbit of the earth, to
explain to you a few particulars concerning it. Here, indeed, we can
speak with more certainty, as from the most accurate observations,
its size, &c. , have been all ascertained.
The earth is a dark opaque body, and has no light of its own. It is
composed of sea and land, in the proportion of three-fourths water to
one-fourth dry land. The earth is about twenty-five thousand miles
round; its shape, however, is not a perfect globe, as it is rather flat, like
an orange, at the poles; so that if a line were run from the equator
through the centre to the other side, it would extend twenty-five miles
further than if run through the earth from pole to pole.
The earth has two motions, one diurnal, or daily, the other annual,
or yearly; by its diurnal motion it revolves on its axis once in twenty-
four hours, and this gives the changes of day and night; by its annual
motion it performs its circuit in the heavens round the sun, in three
hundred and sixty-five days six hours, and this gives the changes of
the seasons; and thus it is that the Lord's gracious purposes are ful-
filled--" seed time and harvest, cold and heat, summer and winter,
day and night," fulfil their course. (Gen. viii. 22. )
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LETTER VII.
119
The earth's annual pathway, as she passes on through the heavens,
is at the rate of fifty-eight thousand miles an hour, and yet all this
while we are not sensible of the least motion whatever; for though
we revolve round, as well as hasten on, with this inconceivable velo-
city, yet we are quite unconscious of it. The sun appears to change its
place, but yet is fixed; ice appear fixed, and yet are never still*
" In the ordering of these events, we trace the hand of an Almighty
Creator, ever watchful over the comforts of the human race.
" The inclination of the earth's axis to the orbit which it describes,
and its constant direction to the same point in the heavens, viz. , the
pole, afford us the agreeable changes of summer and winter, spring
and autumn.
" If the axis of the earth, or the line round which it turns, were
perpendicular to its orbit, or, which is the same thing, to the plane in
which the sun is, the parts about the equator would be constantly
exposed to the full effects of the sun's rays, and be burnt up with in-
tolerable heat: the day and night would be equal all over the globe,
and the same season reign perpetually. "!
Thus, in place of the grateful vicissitudes of the seasons, the earth
? This you will see strikingly illustrated on board a ship passing up the river
Thames, with ustrong flood tide and easterly wind ; there is no perceptible mo-
tion, the vessel appears fixed, and the land seems approaching, passing, and receding
from you, and this is especially the case if you are looking through the cabin win-
dows ; and yet the reverse is the real fact.
t See a very valuable little Treatise on Astronomy, by the Rev. G. T. Hall. --
Parker, Strand.
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120
THE CREATION.
under and near the equator would be parched with burning heat, and
countries in our latitude would have always a cold and cheerless
spring, while a stern unyielding winter would reign in the higher
regions of the north; but our God is a God of mercy and of love,
and thus it is that every country has its harvest; and though the
summer of the north is short, * it is blooming and fresh.
The earth's atmosphere I have treated of at large in the day of its
creation. (Page 19. )
THE MOON.
This grateful planet, that comes to cheer us through the night,
has been the continual theme of poets as well as of astronomers,
and this too in all countries; how beautiful is the language of our own
Milton:--
" Fragrant the fertile earth
After soft showers; and sweet the coming on
Of grateful evening mild; then silent night
With this her solemn hird, and this fair moon,
And these the gems of heaven--her starry train. "
Paradise Lost, book iv.
Although the moon does not convey to us any heat, but simply
reflects from its surface the light of the sun, yet the language of
? Journal of a Lapland and Siberian Summer. --"June 23, snow melting;
July 1, snow gone; July 9, fields green ; July 17, plants full grown; July 25, plants
in flower; August 2, fruit ripe; August 18, snow. "--Sharon Turner's Sacred History
of the World, vol. i. p. 208.
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LETTER VII.
141
Moses in the blessing of Joseph seems to imply that the moon is the
source of vegetation to some things. " The precious things put forth
by the moon," can hardly bear any other meaning. (Deut. xxxiii. 14. )
The margin makes the word " moons," and this indeed may mean the
months, each yielding fruit in its appointed season.
The blessing of the moon to the earth is very great. " It rules
the night;" and in those countries where the sun is so long absent,
its presence must be invaluable. Its effects on the earth are very great:
this is shown especially in its power over the waters, which, by an
inconceivable agency, it draws up immediately under its disk, making
that part rise * many feet above its usual surface. This action of the
moon on the waters, is what is called " the tides," the benefit of
which to man cannot be told; for by it the waters are kept continually
agitated, and thus are preserved pure; and, in a commercial point of
view, watch the Thames, or the Mersey, the Clyde, or the Shannon,
or any of the great rivers, on which commerce sends its thousands of
ships, and you will at once see the importance of the ebb and flow of
the waters. See the anxiety with which mariners of all nations await
the "ebb tide" to carry their vessels out of port, and the "flood" to
carry them in; and every sailor, and many a landsman too, knows the
sprightliness of that sound,--" the flood's made,"--the anchor is
* As the waters near the moon are most drawn up, so the waters opposite must
be leatt drawn up; and thus the tide is flood at the same time on both extremes of
the globe.
G
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122
THE CREATION.
soon up, and the whole body of the ocean becomes the sailor's
friend, to carry him to the port--or the haven where he would be.
(Ps. cvii. 30. ) But not only does the sailor benefit by the moon in
this particular, but many of his most valuable calculations are derived
from the same source, especially the lunar observations. Astronomers
have divided the circle of the earth into 360 parts, or degrees; and, as
once in twenty-four hours the globe performs its daily journey, 360
divided by twenty-four will give the number of degrees that occupy
one hour of that journey, i. e. 15. In the time of Charles II. , that
there might be one general principle of calculation through the empire,
the Observatory at Greenwich was made,--as an artificial meridian to
the 360 degrees, all to the right of it, until it reached 180 degrees,
being in longitude east, and all to the left of it, to 180 degrees,
west; so that every fifteen degrees I am east of Greenwich I see the
sun an hour earlier, and every fifteen degrees west an hour later. *
This is the use of the chronometer,-- it always tells the time of Greenwich (its
owner setting it to a moment when he leaves port;) consequently, if
I know the time where I am, (and this the sun will always tell me,)
then the difference between the chronometer and my time is my
difference of longitude in hours, and one hour being equal to fifteen
? Some years since the government held out a reward of 10,000/. , and again of
20,000/. , to any one discovering a means by which the longitude might be deter-
mined, and when Mr. Harrison brought the chronometer to its present stale of
perfection, the sum was awarded him, at having attained, as far as possible, the
desired end. (See Frontispiece. )
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LETTER VII.
123
degrees, the calculation is soon made. But the watch or chronometer
may be wrong, (and it does not do to place implicit confidence in one of
them; if there are two, and they agree, then, in general, it is safe,) but
the lunar observations are invaluable, as a check on the chronometer
and common reckoning. The Nautical Almanack gives certain
tables which tell the distances between the sun and moon, or the
moon and some particular fixed star, at a given time at Greenwich--
the distances also observed on board the ship, and the time ascer-
tained,--the difference of time is the difference of longitude. Once
on coming from the Chesapeak to Bermuda, a distance only of 600
miles, our common reckoning was out 100 miles,* but the lunar
observations were correct within two or three leagues; this, however,
was thirty years since, and the chronometer was then hardly known;
the fact was, we were some days in that extraordinary current called
the gulf stream, and then all calculations are bafSed that are not made
on the heavenly bodies. But not only to the mariner, but especially
to the farmer, is the moon invaluable. And here I must tell you
something of the harvest moon.
The moon rises later every day, but the time varies at different
seasons of the year; sometimes there being an hour's interval, some-
times only a quarter, and at the autumnal equinox even less. At that
period, the moon is in that part of her orbit where the time of her
rising on successive evenings alters the least; in fact, for some days its
? See Appendix,
c2
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124
THE CREATION.
variation is only a few minutes; it lingers on the earth, as if in
sympathy with the harvest man, so that the sheaves may be gathered
in. How gracious is this provision, for not only does the Lord
" crown the year with his goodness," but by this merciful appointment,
prolongs the dag. Who can reflect on this and not see the most marked
and most merciful design in all the appointments of God! (Ps. lxv.
The moon, like the earth on which it attends, is an opaque body,
and derives all its light from the sun. Its diameter is about 2,000
miles, that is, one-fourth of that of the earth, and so its magnitude is
only l-64th of it. Its distance from us is about 240,000 miles, that
is, ten times the circumference of the earth; so that a traveller who
has gone ten times round the world, has travelled a journey equal to
the moon's distance: this calculation seems to bring that planet very
near to us; and two hundred days' journey, at fifty miles an hour,
would just equal the distance, t. e. 240,000 miles.
i
THE MOON'S PHASES.
The moon never presents the same appearance to us on two suc-
cessive evenings; for as it is ever changing its relative position with
the sun and the earth, so its phases* or appearances vary. We
watched the new moon the other evening,--the sun had sunk in the
? From the Greek word " to see. "
? ? ? Generated for (University of Chicago) on 2014-12-24 14:33 GMT / http://hdl. handle. net/2027/hvd.