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

The knowledge of all things is possible

Reading without reflecting is like eating without digesting.

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

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

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

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

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

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

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

Knowledge becomes evil if the aim be not virtuous.

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

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

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

Science is not only a disciple of reason but, also, one of romance and passion.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

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

A child educated only at school is an uneducated child.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

Civilization is a race between disaster and education.

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