Men go forth to wonder at the height of mountains, the huge waves of the sea, the broad flow of the ocean, the course of the stars-and forget to wonder at themselves. Beware of despairing about yourself: you are commanded to put your trust in God, and not in yourself.

We are certainly in a common class with the beasts; every action of animal life is concerned with seeking bodily pleasure and avoiding pain.

Then assuredly the world was made, not in time, but simultaneously with time.

To my God a heart of flame; To my fellow man a heart of love; To myself a heart of steel.

We enjoy some gratification when our good friends die; for though their death leaves us in sorrow, we have the consolatory assurance that they are beyond the ills by which in this life even the best of people are broken down or corrupted.

Don't go outside; get back to yourself, in the inner man lies the Truth.

If God is, why is there evil? But if God is not, why is there good?