If you can't explain it simply, you don't understand it well enough.

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

All stable processes we shall predict. All unstable processes we shall control.

Courage, conviction and confidence.

Show me a family of readers, and I will show you the people who move the world.

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.

The secret of life is not enjoyment but education through experience.

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

When you know better you do better.

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

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

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

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

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

Investigate, educate and organize.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

What sculpture is to a block of marble, education is to a human soul.

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

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