Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.

What you can't imagine, you can't discover.

Man tries to make for himself in the fashion that suits him best a simplified and intelligible picture of the world; he then tries to some extent to substitute this cosmos of his for the world of experience, and thus to overcome it. This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion. Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.

What can the schools do to defend democracy? Should they preach a specific political doctrine? I believe they should not. If they are able to teach young people to have a critical mind and a socially oriented attitude, they will have done all that is necessary.

Know where to find the information and how to use it - That's the secret of success.

Information is not knowledge.

In theory, theory and practice are the same. In practice, they are not.