Don't learn to do, but learn in doing.
Study without desire spoils the memory, and it retains nothing that it takes in.
The secret of life is not enjoyment but education through experience.
A child miseducated is a child lost.
Just because I don't care doesn't mean I don't understand.
Opinion is the medium between knowledge and ignorance.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
The first principle is that you must not fool yourself and you are the easiest person to fool.
The only good is knowledge and the only evil is ignorance.
Common sense is the collection of prejudices acquired by age eighteen.
Science is a way of thinking much more than it is a body of knowledge.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
Know what you are talking about.
Necessity is the mother of invention.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
If I have seen further it is by standing on the shoulders of Giants.
Science is what we have learned about how to keep from fooling ourselves.
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.
I am a part of everything that I have read.
In mathematics you don't understand things. You just get used to them.