Reading is to the mind what exercise is to the body.

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

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

It is better to know how to learn than to know.

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

Patience is a virtue, and I'm learning patience. It's a tough lesson.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

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

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

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

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

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

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

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

Books are for people who wish they were somewhere else.

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

Most people have never learned that one of the main aims in life is to enjoy it.

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

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

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