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

If you want the present to be different from the past, study the past.

Education is the most powerful weapon which you can use to change the world.

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

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.

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

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

Investigate, educate and organize.

If there were no bad people, there would be no good lawyers.

A witty saying proves nothing.

Knowledge becomes evil if the aim be not virtuous.

Many much-learned men have no intelligence.

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

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

We could never learn to be brave and patient, if there were only joy in the world

The man who does not read good books has no advantage over the man who can't read them.

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

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.

It is better to know how to learn than to know.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

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