I divide the world into three Classes - The few who make things happen, the many who watch things happen, the overwhelming majority who have no notion of what happens.

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

The youth of today and the youth of tomorrow will be accorded an almost unequaled opportunity for great accomplishment and for human service.

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

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.

Persecution on racial and religious grounds has absolutely no place in a nation given over to liberty.

Optimism is essential to achievement and it is also the foundation of courage and true progress.