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

Optimism is the foundation of courage.

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.

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.

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

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

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