A little knowledge is a dangerous thing. So is a lot.

When you know better you do better.

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

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

Free the child's potential, and you will transform him into the world.

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

Education is an ornament for the prosperous, a refuge for the unfortunate.

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.

We could never learn to be brave and patient, if there were only joy in the world

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

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

The schools ain't what they used to be and never was.

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

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

A witty saying proves nothing.

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

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.

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

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

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.