A promise made must be a promise kept.

It is evident, then, that there is a sort of education in which parents should train their sons, not as being useful or necessary, but because it is liberal or noble.

The educated differ from the uneducated as much as the living from the dead.

He is his own best friend and takes delight in privacy whereas the man of no virtue or ability is his own worst enemy and is afraid of solitude.

My lectures are published and not published; they will be intelligible to those who heard them, and to none beside.

Even the best of men in authority are liable to be corrupted by passion. We may conclude then that the law is reason without passion, and it is therefore preferable to any individual.

Anyone who has no need of anybody but himself is either a beast or a God.