The most savage controversies are those about matters as to which there is no good evidence either way.
A little knowledge is a dangerous thing. So is a lot.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
Necessity is the mother of invention.
You can never learn less, you can only learn more.
To every action there is always an equal and opposite or contrary, reaction
One test of the correctness of educational procedure is the happiness of the child.
Make it a rule never to give a child a book you would not read yourself.
The direction in which education starts a man will determine his future in life
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
The task of a writer is not to solve the problem but to state the problem correctly.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
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.
If the facts don't fit the theory, change the facts.
Most people have never learned that one of the main aims in life is to enjoy it.
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.
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.
Science is not only a disciple of reason but, also, one of romance and passion.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.