Don't worry that children never listen to you; worry that they are always watching you.

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

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

If I have seen further it is by standing on the shoulders of Giants.

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

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

If there were no bad people, there would be no good lawyers.

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.

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

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

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

Knowledge becomes evil if the aim be not virtuous.

I cannot live without books.

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

Real learning comes about when the competitive spirit has ceased.

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.

I am so clever that sometimes I don't understand a single word of what I am saying.

Men are born ignorant, not stupid. They are made stupid by education.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.