Many peoples tombstones should read, 'Died at 30. Buried at 60.'

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

The forty-four-hour week has no charm for me. I'm looking for a forty-hour day.

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

Modern mathematics, that most astounding of intellectual creations, has projected the mind's eye through infinite time and the mind's hand into boundless space.

There are many things that go to make up an education, but there are just two things without which no man can ever hope to have an education and these two things are character and good manners.

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.