Opinion is the medium between knowledge and ignorance.

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

An investment in knowledge pays the best interest.

Any sufficiently advanced technology is indistinguishable from magic.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

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

Educate the children and it won't be necessary to punish the men.

A cynic is a man who knows the price of everything, and the value of nothing.

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

The schools ain't what they used to be and never was.

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

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.

A child miseducated is a child lost.

Investigate, educate and organize.

I am a part of everything that I have read.

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

The most important part of teaching is to teach what it is to know.

I do not know how to teach philosophy without becoming a disturber of the peace.

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