The fullness of knowledge only comes through the awareness of ignorance.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

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.

No man's knowledge here can go beyond his experience.

You can never learn less, you can only learn more.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

The books that the world calls immoral are books that show the world its own shame.

A little knowledge is a dangerous thing. So is a lot.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

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

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.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

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

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

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

A witty saying proves nothing.

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

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

You can never be overdressed or overeducated.

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