Necessity is the mother of invention.
Education is the kindling of a flame, not the filling of a vessel.
Better know nothing than half-know many things.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
It is possible to fly without motors, but not without knowledge and skill.
Real learning comes about when the competitive spirit has ceased.
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.
A cynic is a man who knows the price of everything, and the value of nothing.
I learned very early the difference between knowing the name of something and knowing something.
The only true wisdom is in knowing you know nothing.
It is what you read when you don't have to that determines what you will be when you can't help it.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Knowledge becomes evil if the aim be not virtuous.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
Evil being the root of mystery, pain is the root of knowledge.
I like poems you can tack all over with a hammer and there are no hollow places.
Education is a system of imposed ignorance.
We could never learn to be brave and patient, if there were only joy in the world
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.