Learning never exhausts the mind.
All stable processes we shall predict. All unstable processes we shall control.
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.
What is now proved was once only imagined.
There is nothing more awful, insulting, and depressing than banality.
The secret of life is not enjoyment but education through experience.
A child miseducated is a child lost.
The first idea the child must acquire is that of the difference between good and evil.
An investment in knowledge pays the best interest.
Education is a system of imposed ignorance.
The most savage controversies are those about matters as to which there is no good evidence either way.
Evil being the root of mystery, pain is the root of knowledge.
The only good is knowledge and the only evil is ignorance.
If you want the present to be different from the past, study the past.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Men are born ignorant, not stupid. They are made stupid by education.
Dare to think for yourself.
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.
I am so clever that sometimes I don't understand a single word of what I am saying.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
The ability to observe without evaluating is the highest form of intelligence.