An expert is one who knows more and more about less and less.

Those people who think only of themselves, are hopelessly uneducated. They are not educated, no matter how instructed they may be.

The fifth freedom, the Freedom of Individual Enterprise, is the keystone of the arch on which the other Four Freedoms rest. This is what freedom means.

The more that one studies the history of the building of the American nation, the clearer it becomes that it may be justly described as a laboratory experiment in understanding and in solving the world problems of tomorrow.

The analytical geometry of Descartes and the calculus of Newton and Leibniz have expanded into the marvelous mathematical method

An expert is one who knows more and more about less and less.

America is the best half-educated country in the world.