I know not any season of life that is past more agreeably than virtuous old age.

This, therefore, is a law not found in books, but written on the fleshly tablets of the heart, which we have not learned from man, received or read, but which we have caught up from Nature herself, sucked in and imbibed; the knowledge of which we were not taught, but for which we were made; we received it not by education, but by intuition.

To be ignorant of what occurred before you were born is to remain always a child. For what is the worth of human life, unless it is woven into the life of our ancestors by the records of history?

Death approaches, which is always impending like the stone over Tantalus: then comes superstition with which he who is imbued can never have peace of mind.

A dissolute and intemperate youth hands down the body to old age in a worn-out state.

Freedom is a man's natural power of doing what he pleases, so far as he is not prevented by force or law.

It is a shameful thing to be weary of inquiry when what we search for is excellent.