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

The ability to observe without evaluating is the highest form of intelligence.

To every action there is always an equal and opposite or contrary, reaction

No power and no treasure can outweigh the extension of our knowledge.

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

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

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

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

One test of the correctness of educational procedure is the happiness of the child.

Real learning comes about when the competitive spirit has ceased.

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.

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 am so clever that sometimes I don't understand a single word of what I am saying.

The deepest sin against the human mind is to believe things without evidence.

Knowledge, Action, Devotion are complementary to each other.

Know what you are talking about.

Industrialize or perish.

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

The first idea the child must acquire is that of the difference between good and evil.

Educate the children and it won't be necessary to punish the men.

Most people have never learned that one of the main aims in life is to enjoy it.