Do not think of knocking out another person's brains because he differs in opinion from you. It would be as rational to knock yourself on the head because you differ from yourself ten years ago.

Knowledge is but an instrument, which the profligate and the flagitious may use as well as the brave and the just.

Superiority to circumstances is one of the most prominent characteristics of great men.

We go by the major vote, and if the majority are insane, the sane must go to the hospital.

There is a deeper pleasure in following truth to the scaffold or the cross, than in joining the multitudinous retinue, and mingling our shouts with theirs, when victorious error celebrates its triumphs.

Doing nothing for others is the undoing of ourselves.

A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.