Even as a solid rock is unshaken by the wind, so are the wise unshaken by praise or blame.

Courageous, untroubled, mocking and violent - that is what Wisdom wants us to be. Wisdom is a woman, and loves only a warrior.

The doer alone learneth.

Man demands truth and fulfills this demand in moral intercourse with other men; this is the basis of all social life. One anticipates the unpleasant consequences of reciprocal lying. From this there arises the duty of truth. We permit epic poets to lie because we expect no detrimental consequences in this case. Thus the lie is permitted where it is considered something pleasant. Assuming that it does no harm, the lie is beautiful and charming.

What the sense feeleth, what the spirit discerneth, hath never its end in itself. But sense and spirit would fain persuade thee that they are the end of all things: so vain are they.

Madness is not a consequence of uncertainty but of certainty.