The intoxication of anger, like that of the grape, shows us to others, but hides us from ourselves.

The true measure of your character is what you do when nobody's watching.

An act by which we make one friend and one enemy is a losing game; because revenge is a much stronger principle than gratitude

Let those who would affect singularity with success first determine to be very virtuous, and they will be sure to be very singular.

Men of strong minds and who think for themselves, should not be discouraged on finding occasionally that some of their best ideas have been anticipated by former writers; they will neither anathematize others nor despair themselves. They will rather go on discovering things before discovered, until they are rewarded with a land hitherto unknown, an empire indisputably their own, both right of conquest and of discovery.

He that aspires to be the head of a party will find it more difficult to please his friends than to perplex his foes. He must often act from false reasons which are weak, because he dares not avow the true reasons which are strong.

In the pursuit of knowledge, follow it wherever it is to be found; like fern, it is the produce of all climates, and like coin, its circulation is not restricted to any particular class.