Being busy does not always mean real work. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well as perspiration. Seeming to do is not doing.

I have gained this from philosophy: that I do without being commanded what others do only from fear of the law.

A great man is different from an eminent one in that he is ready to be the servant of the society.

To be in good moral condition requires at least as much training as to be in good physical condition.

The man of science is a poor philosopher.

I would rather entertain and hope that people learned something than educate people and hope they were entertained.

Children need to get a high-quality education, avoid violence and the criminal-justice system, and gain jobs. But they deserve more. We want them to learn not only reading and math but fairness, caring, self-respect, family commitment, and civic duty.

You have to make sure you know why you are going to war and then use decisive force to end it as soon as possible.

He is lost who is possessed by carnal desire.

Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.

If you are part of a false propaganda machinery, you are fighting for the wrong cause.

Breach of trust always comes from the people we trust.