The highest activity a human being can attain is learning for understanding, because to understand is to be free.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

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

Education is the most powerful weapon which you can use to change the world.

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

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

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

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

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

I cannot live without books.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

The reading of all good books is like conversation with the finest men of past centuries.

A child educated only at school is an uneducated child.

The real solution lies in a world in which charity will have become unnecessary.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

An investment in knowledge pays the best interest.

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

The schools ain't what they used to be and never was.

Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.

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

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