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

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.

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

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

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

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

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

Education is a system of imposed ignorance.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

Knowledge becomes evil if the aim be not virtuous.

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

Investigate, educate and organize.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

It is what you read when you don't have to that determines what you will be when you can't help it.

Many much-learned men have no intelligence.

An investment in knowledge pays the best interest.

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

What sculpture is to a block of marble, education is to a human soul.

You can never learn less, you can only learn more.

You can never be overdressed or overeducated.

I cannot teach anybody anything. I can only make them think