The first principle is that you must not fool yourself and you are the easiest person to fool.

You can never be overdressed or overeducated.

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

It is possible to fly without motors, but not without knowledge and skill.

I cannot live without books.

The whole of science is nothing more than a refinement of everyday thinking.

I learned very early the difference between knowing the name of something and knowing something.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

A thought is an idea in transit.

Civilization is a race between disaster and education.

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Many much-learned men have no intelligence.

What we know is a drop, what we don't know is an ocean.

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

Educate the children and it won't be necessary to punish the men.

Imagination is more important than knowledge.

The more I read, the more I acquire, the more certain I am that I know nothing.

I do not know how to teach philosophy without becoming a disturber of the peace.

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.