Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
Reading is to the mind what exercise is to the body.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
Knowing is not enough; we must apply. Willing is not enough; we must do.
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 thought is an idea in transit.
The deepest sin against the human mind is to believe things without evidence.
No man's knowledge here can go beyond his experience.
Real knowledge is to know the extent of one's ignorance.
If there were no bad people, there would be no good lawyers.
A cynic is a man who knows the price of everything, and the value of nothing.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
It is possible to fly without motors, but not without knowledge and skill.
It is better to know how to learn than to know.
Science is a way of thinking much more than it is a body of knowledge.
No power and no treasure can outweigh the extension of our knowledge.
The great difficulty in education is to get experience out of ideas.
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 more I read, the more I acquire, the more certain I am that I know nothing.
The first idea the child must acquire is that of the difference between good and evil.
