Science is what we have learned about how to keep from fooling ourselves.

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.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

Learning never exhausts the mind.

If you want the present to be different from the past, study the past.

Many much-learned men have no intelligence.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

I cannot live without books.

Common sense is the collection of prejudices acquired by age eighteen.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

Investigate, educate and organize.

Courage, conviction and confidence.

Education is the kindling of a flame, not the filling of a vessel.

Knowledge becomes evil if the aim be not virtuous.

Books are for people who wish they were somewhere else.

I am a part of everything that I have read.

The most important part of teaching is to teach what it is to know.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.