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

Industrialize or perish.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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

I am a part of everything that I have read.

Evil being the root of mystery, pain is the root of knowledge.

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

I like poems you can tack all over with a hammer and there are no hollow places.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

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

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

The progressive development of man is vitally dependent on invention.

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

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

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

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

Investigate, educate and organize.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

The ability to observe without evaluating is the highest form of intelligence.

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