If the past has been an obstacle and a burden, knowledge of the past is the safest and the surest emancipation.

Liberty is not the power of doing what we like, but the right to do what we ought.

Every thing secret degenerates, even the administration of justice; nothing is safe that does not show how it can bear discussion and publicity.

Far from being the product of a democratic revolution and of an opposition to English institutions, the constitution of the United States was the result of a powerful reaction against democracy, and in favor of the traditions of the mother country.

Before everything else, getting ready is the secret of success.

I think some people who have never met me have a misconception that when I was living with my father when he was successful, that I was somehow adversely affected by his success or the money he had and was making at the time.

To make the moral achievement implicit in science a source of strength to civilization, the scientist will have to have the cooperation also of the philosopher and the religious teacher.

Mentality is where the success is. I will teach the kids how to think in a positive way.