You can never be overdressed or overeducated.
Courage, conviction and confidence.
If I have seen further it is by standing on the shoulders of Giants.
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.
Any sufficiently advanced technology is indistinguishable from magic.
The progressive development of man is vitally dependent on invention.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
The most important part of teaching is to teach what it is to know.
Science is not only a disciple of reason but, also, one of romance and passion.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
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.
The books that the world calls immoral are books that show the world its own shame.
Knowing is not enough; we must apply. Willing is not enough; we must do.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
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.
I cannot live without books.
It is beyond a doubt that all our knowledge begins with experience.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Don't learn to do, but learn in doing.