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

The progressive development of man is vitally dependent on invention.

Better know nothing than half-know many things.

We could never learn to be brave and patient, if there were only joy in the world

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

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

Reading without reflecting is like eating without digesting.

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

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

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.

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

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

My weapon is literature

The great difficulty in education is to get experience out of ideas.

Industrialize or perish.

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

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

The only true wisdom is in knowing you know nothing.

Study without desire spoils the memory, and it retains nothing that it takes in.

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.

Education is a system of imposed ignorance.