Vain is the word of a philosopher which does not heal any suffering of man. For just as there is no profit in medicine if it does not expel the diseases of the body, so there is no profit in philosophy either, if it does not expel the suffering of the mind.

We must, therefore, pursue the things that make for happiness, seeing that when happiness is present, we have everything; but when it is absent, we do everything to possess it.

The guilty man may escape, but he cannot be sure of doing so.

Men, believing in myths, will always fear something terrible, everlasting punishment as certain or probable . . . Men base all these fears not on mature opinions, but on irrational fancies, that they are more disturbed by fear of the unknown than by facing facts. Peace of mind lies in being delivered from all these fears.

Moreover, the universe as a whole is infinite, for whatever is limited has an outermost edge to limit it, and such an edge is defined by something beyond. Since the universe has no edge, it has no limit; and since it lacks a limit, it is infinite and unbounded. Moreover, the universe is infinite both in the number of its atoms and in the extent of its void.

If thou wilt make a man happy, add not unto his riches but take away from his desires.

There is nothing terrible in life for the man who realizes there is nothing terrible in death.