Investigate, educate and organize.
I cannot live without books.
No man's knowledge here can go beyond his experience.
Dare to think for yourself.
I do not know how to teach philosophy without becoming a disturber of the peace.
You can never be overdressed or overeducated.
To educate a person in the mind but not in morals is to educate a menace to society.
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.
Imagination is more important than knowledge.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
The task of a writer is not to solve the problem but to state the problem correctly.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
The ability to observe without evaluating is the highest form of intelligence.
The reading of all good books is like conversation with the finest men of past centuries.
In mathematics you don't understand things. You just get used to them.
Don't worry that children never listen to you; worry that they are always watching you.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
The books that the world calls immoral are books that show the world its own shame.
Industrialize or perish.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
It is possible to fly without motors, but not without knowledge and skill.