The only good is knowledge and the only evil is ignorance.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
Many much-learned men have no intelligence.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
Books are for people who wish they were somewhere else.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Free the child's potential, and you will transform him into the world.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
Educate the children and it won't be necessary to punish the men.
I learned very early the difference between knowing the name of something and knowing something.
I do not know how to teach philosophy without becoming a disturber of the peace.
Those who fail to learn the lessons of history are doomed to repeat them.
I like poems you can tack all over with a hammer and there are no hollow places.
Reading without reflecting is like eating without digesting.
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.
Industrialize or perish.
The progressive development of man is vitally dependent on invention.
Men are born ignorant, not stupid. They are made stupid by education.
The deepest sin against the human mind is to believe things without evidence.
Necessity is the mother of invention.