No man's knowledge here can go beyond his experience.
The progressive development of man is vitally dependent on invention.
Intelligence plus character-that is the goal of true education.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
A thought is an idea in transit.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
Don't worry that children never listen to you; worry that they are always watching you.
Investigate, educate and organize.
Real learning comes about when the competitive spirit has ceased.
Men are born ignorant, not stupid. They are made stupid by education.
There is no authority who decides what is a good idea.
The whole of science is nothing more than a refinement of everyday thinking.
You can never learn less, you can only learn more.
Just because I don't care doesn't mean I don't understand.
A witty saying proves nothing.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Knowledge becomes evil if the aim be not virtuous.