Enmity is anger watching the opportunity for revenge.

The best interpreter of the law is custom.

I am of opinion that there is nothing so beautiful but that there is something still more beautiful, of which this is the mere image and expression,--a something which can neither be perceived by the eyes, the ears, nor any of the senses; we comprehend it merely in the imagination.

If I had more time, I would have written a shorter letter.

Any man can make a mistake; only a fool keeps making the same one.

A true friend is a sort of 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.