You can never be overdressed or overeducated.

Don't worry that children never listen to you; worry that they are always watching you.

The reading of all good books is like conversation with the finest men of past centuries.

The knowledge of all things is possible

It is beyond a doubt that all our knowledge begins with experience.

When you know better you do better.

The highest result of education is tolerance.

If you can't explain it simply, you don't understand it well enough.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

If I have seen further it is by standing on the shoulders of Giants.

Science is a way of thinking much more than it is a body of knowledge.

Know what you are talking about.

In mathematics you don't understand things. You just get used to them.

A thought is an idea in transit.

My weapon is literature

A child educated only at school is an uneducated child.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

Opinion is the medium between knowledge and ignorance.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.