Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
What sculpture is to a block of marble, education is to a human soul.
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.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
The first idea the child must acquire is that of the difference between good and evil.
The most important part of teaching is to teach what it is to know.
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 cynic is a man who knows the price of everything, and the value of nothing.
Necessity is the mother of invention.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
Men are born ignorant, not stupid. They are made stupid by education.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Books are as useful to a stupid person as a mirror is useful to a blind person.
A thought is an idea in transit.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
Learning never exhausts the mind.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Any sufficiently advanced technology is indistinguishable from magic.