It is always safe to learn, even from our enemies; seldom safe to venture to instruct, even our friends.

That an author's work is the mirror of his mind is a position that has led to very false conclusions. If Satan himself were to write a book it would be in praise of virtue, because the good would purchase it for use, and the bad for ostentation.

Ladies of Fashion starve their happiness to feed their vanity, and their love to feed their pride.

For what are the triumphs of war, planned by ambition, executed by violence, and consummated by devastation? The means are the sacrifice of many, the end, the bloated aggrandizement of the few.

The greatest genius is never so great as when it is chastised and subdued by the highest reason.

There are two way of establishing a reputation, one to be praised by honest people and the other to be accused by rogues. It is best, however, to secure the first one, because it will always be accompanied by the latter.

Ignorance lies at the bottom of all human knowledge, and the deeper we penetrate the nearer we arrive unto it. For what do we truly know, or what can we clearly affirm, of any one of those important things upon which all our reasonings must of necessity be built--time and space, life and death, matter and mind?