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

I am indebted to my father for living, but to my teacher for living well.

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

Free the child's potential, and you will transform him into the world.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

It is what you read when you don't have to that determines what you will be when you can't help it.

I think that kids have a greater capacity for processing things than we give them credit for.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

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

Books are as useful to a stupid person as a mirror is useful to a blind person.

Investigate, educate and organize.

The task of a writer is not to solve the problem but to state the problem correctly.

Reading is to the mind what exercise is to the body.

Civilization is a race between disaster and education.

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

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

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

I am a part of everything that I have read.

Never help a child with a task at which he feels he can succeed.

If the facts don't fit the theory, change the facts.

Men are born ignorant, not stupid. They are made stupid by education.