No More Learning

But the third class, or Insect tribes, though apparently so insigni-
ficant, yet have families among them of the utmost benefit to us, for
raiment, food, and medicine; and I suppose, if you could at this
moment gather all the yards of silk           that are in the whole
world, it would be millions on millions; and yet it was a little worm,
not larger than our common caterpillar, that, from its own bowels,
spun it all.