The great difficulty in education is to get experience out of ideas.

Many much-learned men have no intelligence.

The most savage controversies are those about matters as to which there is no good evidence either way.

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

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.

There is no authority who decides what is a good idea.

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.

There is nothing more awful, insulting, and depressing than banality.

When you know better you do better.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

Knowing others is wisdom, knowing yourself is Enlightenment.

What is now proved was once only imagined.

Don't learn to do, but learn in doing.

If you can't explain it simply, you don't understand it well enough.

Don't worry that children never listen to you; worry that they are always watching you.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

Investigate, educate and organize.

Human behavior flows from three main sources: desire, emotion, and knowledge

I cannot teach anybody anything. I can only make them think

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.

An investment in knowledge pays the best interest.