A guide, on finding a man who has lost his way, brings him back to the right path—he does not mock and jeer at him and then take himself off. You also must show the unlearned man the truth, and you will see that he will follow. But so long as you do not show it him, you should not mock, but rather feel your own incapacity.

Authentic happiness is always independent of external conditions.

These reasonings are unconnected: "I am richer than you, therefore I am better"; "I am more eloquent than you, therefore I am better." The connection is rather this: "I am richer than you, therefore my property is greater than yours;" "I am more eloquent than you, therefore my style is better than yours." But you, after all, are neither property nor style.

Renew every day your conversation with God: Do this even in preference to eating. Think more often of God than you breathe.

Act well your given part; the choice rests not with you.

No man is free who is not master of himself... Is freedom anything else than the power of living as we choose?

It is our attitude toward events, not events themselves, which we can control. Nothing is by its own nature calamitous -- even death is terrible only if we fear it.