Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

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

The secret of life is not enjoyment but education through experience.

The most important part of teaching is to teach what it is to know.

It is beyond a doubt that all our knowledge begins with experience.

The deepest sin against the human mind is to believe things without evidence.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

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

If you want the present to be different from the past, study the past.

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

Knowing others is wisdom, knowing yourself is Enlightenment.

Any sufficiently advanced technology is indistinguishable from magic.

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

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

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

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

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

Education is the most powerful weapon which you can use to change the world.

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