Real knowledge is to know the extent of one's ignorance.

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.

The only good is knowledge and the only evil is ignorance.

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

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

My weapon is literature

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

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

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

Books are as useful to a stupid person as a mirror is useful to a blind person.

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.

Common sense is the collection of prejudices acquired by age eighteen.

Make it a rule never to give a child a book you would not read yourself.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Civilization is a race between disaster and education.

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

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

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

There is no authority who decides what is a good idea.