“In the matter of physics, the first lessons should contain nothing but what is experimental and interesting to see. A pretty experiment is in itself often more valuable than twenty formulae extracted from our minds.”
“Either CS (coordinate system) could be used with equal justification. The two sentences: the sun is at rest and the earth moves, or the sun moves and the earth is at rest, would simply mean two different conventions concerning two different CS”
“Engineering is not only study of 45 subjects but it is moral studies of intellectual life. Make things as simple as possible..but not simpler.”
“Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.”
“Games are the most elevated form of investigation.”
“When you sit with a nice girl for two hours, it seems like two minutes; when you sit on a hot stove for two minutes, it seems like two hours. That's relativity.”
“Overpopulation in various countries has become a serious threat to the health of people and a grave obstacle to any attempt to organise peace on this planet”
“We [Jews] have no other means of self-defense than our solidarity”
“The faster you go, the shorter you are.”
“Three Rules of Work: Out of clutter find simplicity. From discord find harmony. In the middle of difficulty lies opportunity.”
“Human beings are not condemned, because of their biological constitution, to annihilate each other or to be at the mercy of a cruel, self-inflicted fate.”
“It is my belief that the problem of bringing peace to the world on a supranational basis will be solved only by employing Gandhi's method on a larger scale.”
“You cannot solve current problems with current thinking. Current problems are the result of current thinking.”
“Small is the number of people who see with their eyes and think with their minds.”
“Ever since childhood I have scorned the commonplace limits so often set upon human ambition. Possessions, outward success, publicity, luxury - to me these have always been contemptible. I believe that a simple and unassuming manner of life is best for everyone; best both for the body and the mind”
“Inner freedom is an infrequent gift of nature and a worthy object for the individual.”
“Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.”
“Epistemology without contact with science becomes an empty scheme. Science without epistemology is-insofar as it is thinkable at all-primitive and muddled.”
“I think that only daring speculation can lead us further and not accumulation of facts.”
“My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.”
“The pursuit of knowledge is more valuable than its possession.”
“X plus Y plus ZX is work.Y is play.Z is keep your mouth shut.”
“Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.”
“Life is a Mystery, not a problem waiting to be solved.”
“There is nothing known as "Perfect". Its only those imperfections which we choose not to see!!”