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

Imagination is more important than knowledge.

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

I think that kids have a greater capacity for processing things than we give them credit for.

You can never be overdressed or overeducated.

The progressive development of man is vitally dependent on invention.

Necessity is the mother of invention.

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

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

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

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

Real knowledge is to know the extent of one's ignorance.

I am so clever that sometimes I don't understand a single word of what I am saying.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

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

Better know nothing than half-know many things.

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

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

Never help a child with a task at which he feels he can succeed.