Everything that enlarges the sphere of human powers, that shows man he can do what he thought he could not do, is valuable.

A horse that can count to ten is a remarkable horse, not a remarkable mathematician.

An old friend never can be found, and nature has provided that he cannot easily be lost.

I do not know, sir, that the fellow is an infidel; but if he be an infidel, he is an infidel as a dog is an infidel; that is to say, he has never thought upon the subject.

He that thinks he can afford to be negligent is not far from being poor.

The most fatal disease of friendship is gradual decay, or dislike hourly increased by causes too slender for complaint, and too numerous for removal.

Whoever envies another confesses his superiority.