Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
A little knowledge is a dangerous thing. So is a lot.
Investigate, educate and organize.
Human behavior flows from three main sources: desire, emotion, and knowledge
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
We could never learn to be brave and patient, if there were only joy in the world
Knowing others is wisdom, knowing yourself is Enlightenment.
The first principle is that you must not fool yourself and you are the easiest person to fool.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Don't worry that children never listen to you; worry that they are always watching you.
Industrialize or perish.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
The fullness of knowledge only comes through the awareness of ignorance.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
The most savage controversies are those about matters as to which there is no good evidence either way.
If you can't explain it simply, you don't understand it well enough.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
Don't learn to do, but learn in doing.
I cannot live without books.
Real knowledge is to know the extent of one's ignorance.