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

A witty saying proves nothing.

Any sufficiently advanced technology is indistinguishable from magic.

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

A little knowledge is a dangerous thing. So is a lot.

Education is the kindling of a flame, not the filling of a vessel.

Most people have never learned that one of the main aims in life is to enjoy it.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

Know what you are talking about.

The fullness of knowledge only comes through the awareness of ignorance.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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

The whole of science is nothing more than a refinement of everyday thinking.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

No man's knowledge here can go beyond his experience.

I am a part of everything that I have read.

In mathematics you don't understand things. You just get used to them.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

Science is a way of thinking much more than it is a body of knowledge.

The task of a writer is not to solve the problem but to state the problem correctly.