Let no man pull you low enough to hate him.

Having a great intellect is no path to being happy.

I think, therefore I am.

We thought that we had the answers, it was the questions we had wrong.

Love make us poets, and the approach of death should make us philosophers.

The only limit to our realization of tomorrow will be our doubts of today.

A house divided against itself cannot stand.

A man may imagine things that are false, but he can only understand things that are true.

Tomorrow hopes we have learned something from yesterday.

Whatever it is you're seeking won't come in the form you're expecting.

Language is very powerful. Language does not just describe reality. Language creates the reality it describes.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

The greatest power we have is the power of choice.

Science may set limits to knowledge, but should not set limits to imagination.

Common sense is in spite of, not as the result of education.

Experience is the only prophecy of wise men.

We are all born ignorant, but one must work hard to remain stupid

A perfection of means, and confusion of aims, seems to be our main problem.

Jealousy is the tribute mediocrity pays to genius.

Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.

Happiness is not an ideal of reason, but of imagination.