No power and no treasure can outweigh the extension of our knowledge.
In mathematics you don't understand things. You just get used to them.
The great difficulty in education is to get experience out of ideas.
The deepest sin against the human mind is to believe things without evidence.
Real learning comes about when the competitive spirit has ceased.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
The first idea the child must acquire is that of the difference between good and evil.
Courage, conviction and confidence.
Books are as useful to a stupid person as a mirror is useful to a blind person.
To educate a person in the mind but not in morals is to educate a menace to society.
Those who fail to learn the lessons of history are doomed to repeat them.
The fullness of knowledge only comes through the awareness of ignorance.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Science is a way of thinking much more than it is a body of knowledge.
The only good is knowledge and the only evil is ignorance.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
The schools ain't what they used to be and never was.
Don't learn to do, but learn in doing.