Imagination is more important than knowledge.

All stable processes we shall predict. All unstable processes we shall control.

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

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

Dare to think for yourself.

Investigate, educate and organize.

Make it a rule never to give a child a book you would not read yourself.

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

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

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

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

It took us three years to build the NeXT computer. If we'd given customers what they said they wanted, we'd have built a computer they'd have been happy with a year after we spoke to them - not something they'd want now.

Show me a family of readers, and I will show you the people who move the world.

A child educated only at school is an uneducated child.

A thought is an idea in transit.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

The more I read, the more I acquire, the more certain I am that I know nothing.

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

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Men are born ignorant, not stupid. They are made stupid by education.

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.