We rejoice in the joys of our friends as much as we do our own, and we are equally grieved at their sorrows. Wherefore the wise people will feel toward their friends as they do toward themselves, and whatever labor they would encounter with a view to their own pleasure, they will encounter also for the sake of their friends.

A friend is, as it were, a second self.

In a discussion of this kind our interest should be centered not on the weight of the authority but on the weight of the argument. Indeed the authority of those who set out to teach is often an impediment to those who wish to learn. They cease to use their own judgment and regard as gospel whatever is put forward by their chosen teacher.

Nothing is so swift as calumny, nothing is more easily propagated, nothing more readily credited, nothing more widely circulated.

The life given us, by nature is short; but the memory of a well-spent life is eternal.

There is, I know not how, a certain presage, as it were, of a future existence; and this takes the deepest root, and is most discoverable, in the greatest geniuses and most exalted souls.

In times of war, the law falls silent.