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

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

Fundamentally, the force that rules the world is conduct, whether it be moral or immoral. If it is moral, at least there may be hope for the world. If immoral, there is not only no hope, but no prospect of anything but destruction of all that has been accomplished during the last 5,000 years.

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

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.

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

The world is divided into three kinds of people: A very small group that makes things happen; a somewhat larger group that watches things happen; and a great multitude that never knows what has happened.