Why should not every individual man have existed more than once upon this world? Why should I not come back as often as I am capable of acquiring fresh knowledge? Is this hypothesis so laughable merely because it is the oldest? Because the human understanding, before the sophistries of the schools had dissipated and debilitated it, lighted upon it at once?

As the stag which the huntsman has hit flies through bush and brake, over stock and stone, thereby exhausting his strength but not expelling the deadly bullet from his body; so does experience show that they who have troubled consciences run from place to place, but carry with them wherever they go their dangerous wounds.

If some things don't make you lose your sense of reason, then you have none to lose.

The more we see the more we must be able to imagine, and the more we imagine, the more we must think we see.

The end-purpose of all art is enjoyment!

It is medicine, not poison, I offer you.

If the advice of a fool for once happens to be good, it requires a wise man to carry it out.