For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Learning never exhausts the mind.
Men are born ignorant, not stupid. They are made stupid by education.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Common sense is the collection of prejudices acquired by age eighteen.
Better know nothing than half-know many things.
The task of a writer is not to solve the problem but to state the problem correctly.
Know what you are talking about.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
The more I read, the more I acquire, the more certain I am that I know nothing.
I am indebted to my father for living, but to my teacher for living well.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.
The progressive development of man is vitally dependent on invention.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
Knowledge becomes evil if the aim be not virtuous.
A cynic is a man who knows the price of everything, and the value of nothing.
We could never learn to be brave and patient, if there were only joy in the world
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
No power and no treasure can outweigh the extension of our knowledge.