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

I decided to teach because I think that any person who studies philosophy has to be involved actively.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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

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

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

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

There is nothing more awful, insulting, and depressing than banality.

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

Knowledge becomes evil if the aim be not virtuous.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

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

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

Don't learn to do, but learn in doing.

What is freedom of expression? Without the freedom to offend, it ceases to exist.

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

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

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

Better know nothing than half-know many things.

Never help a child with a task at which he feels he can succeed.

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