If you're teaching today what you were teaching five years ago, either the field is dead or you are.
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.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.
To educate a person in the mind but not in morals is to educate a menace to society.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Men are born ignorant, not stupid. They are made stupid by education.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
Books are as useful to a stupid person as a mirror is useful to a blind person.
It is beyond a doubt that all our knowledge begins with experience.
Reading without reflecting is like eating without digesting.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
If you want the present to be different from the past, study the past.
Many much-learned men have no intelligence.
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.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
The most important part of teaching is to teach what it is to know.
Science is not only a disciple of reason but, also, one of romance and passion.
The first idea the child must acquire is that of the difference between good and evil.