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

To educate a person in the mind but not in morals is to educate a menace to society.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

Those who fail to learn the lessons of history are doomed to repeat them.

Intelligence plus character-that is the goal of true education.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Learning never exhausts the mind.

The only true wisdom is in knowing you know nothing.

I cannot live without books.

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

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.

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

Seek knowledge from the cradle to the grave.

The whole of science is nothing more than a refinement of everyday thinking.

The first principle is that you must not fool yourself and you are the easiest person to fool.

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.

Dare to think for yourself.

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

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

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