Evil being the root of mystery, pain is the root of knowledge.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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.

The highest result of education is tolerance.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

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

The more I read, the more I acquire, the more certain I am that I know nothing.

Don't learn to do, but learn in doing.

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

Science is what we have learned about how to keep from fooling ourselves.

Courage, conviction and confidence.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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

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

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Knowing is not enough; we must apply. Willing is not enough; we must do.

An investment in knowledge pays the best interest.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

The real solution lies in a world in which charity will have become unnecessary.

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.

The only true wisdom is in knowing you know nothing.