Nor am I ashamed, as some are, to confess my ignorance of those matters with which I am unacquainted.

For how many things, which for our own sake we should never do, do we perform for the sake of our friends.

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.

Probability is the very guide of life.

It is not enough to acquire wisdom, it is necessary to employ it.

If you wish to persuade me, you must think my thoughts, feel my feelings, and speak my words.

Enmity is anger watching the opportunity for revenge.