Physicians think they do a lot for a patient when they give his disease a name.

Science is organized knowledge. Wisdom is organized life.

Better the whole people perish than that injustice be done

If a man is often the subject of conversation he soon becomes the subject of criticism.

Human reason has this peculiar fate that in one species of its knowledge it is burdened by questions which, as prescribed by the very nature of reason itself, it is not able to ignore, but which, as transcending all its powers, it is also not able to answer.

The instruction of children should aim gradually to combine knowing and doing. Among all sciences mathematics seems to be the only one of a kind to satisfy this aim most completely.

Act that your principle of action might safely be made a law for the whole world.