Three things tell a man: his eyes, his friends and his favorite quotes

The yellow Indians do have a meagre talent. The Negroes are far below them, and at the lowest point are a part of the American people.

Reason must approach nature in order to be taught by it. It must not, however, do so in the character of a pupil who listens to everything that the teacher chooses to say, but of an appointed judge who compels the witness to answer questions which he has himself formulated.

We can judge the heart of a man by his treatment of animals.

Out of the crooked timber of humanity, no straight thing was ever made.

Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity.

If you punish a child for being naughty, and reward him for being good, he will do right merely for the sake of the reward; and when he goes out into the world and finds that goodness is not always rewarded, nor wickedness always punished, he will grow into a man who only thinks about how he may get on in the world, and does right or wrong according as he finds advantage to himself.