The wealth required by nature is limited and is easy to procure; but the wealth required by vain ideals extends to infinity.

If the gods have the will to remove evil and cannot, then they are not all-powerful. If they are neither able nor willing, they are neither all-powerful or benevolent. If they are both able and willing to annihilate evil, why does it exist?

It is vain to ask of the gods what man is capable of supplying for himself.

If God listened to the prayers of men, all men would quickly have perished: for they are forever praying for evil against one another.

It is possible to provide security against other ills, but as far as death is concerned, we men live in a city without walls.

Let no young man delay the study of philosophy, and let no old man become weary of it; for it is never too early nor too late to care for the well-being of the soul.

There is no such thing as justice in the abstract; it is merely a compact between men.