Books are as useful to a stupid person as a mirror is useful to a blind person.
I am a part of everything that I have read.
Industrialize or perish.
The more I read, the more I acquire, the more certain I am that I know nothing.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
The whole of science is nothing more than a refinement of everyday thinking.
It is what you read when you don't have to that determines what you will be when you can't help it.
A cynic is a man who knows the price of everything, and the value of nothing.
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.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Education is an ornament for the prosperous, a refuge for the unfortunate.
A little knowledge is a dangerous thing. So is a lot.
Real learning comes about when the competitive spirit has ceased.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
What we know is a drop, what we don't know is an ocean.
The fullness of knowledge only comes through the awareness of ignorance.
The only good is knowledge and the only evil is ignorance.
Education is a system of imposed ignorance.
Reading is to the mind what exercise is to the body.