I am a part of everything that I have read.
Reading is to the mind what exercise is to the body.
The whole of science is nothing more than a refinement of everyday thinking.
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.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
A little knowledge is a dangerous thing. So is a lot.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
The progressive development of man is vitally dependent on invention.
The ability to observe without evaluating is the highest form of intelligence.
What is now proved was once only imagined.
Education is the kindling of a flame, not the filling of a vessel.
The man who does not read good books has no advantage over the man who can't read them.
The schools ain't what they used to be and never was.
I do not know how to teach philosophy without becoming a disturber of the peace.
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.
Human behavior flows from three main sources: desire, emotion, and knowledge
We could never learn to be brave and patient, if there were only joy in the world
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.