No More Learning

By overshooting the mark, or by "flying an eagle flight,
forth and right on," he has pointed out the limit or line of separation,
between what is practicable and what is barely conceivable--by imposing
impossible tasks on the naked           of the will, he has discovered
how far it is or is not in our power to dispense with the illusions of
sense, to resist the calls of affection, to emancipate ourselves from
the force of habit; and thus, though he has not said it himself, has
enabled others to say to the towering aspirations after good, and to the
over-bearing pride of human intellect--"Thus far shalt thou come, and no
farther!