Mankind must give up war in the Atomic Era. What is at stake is the life or death of humanity.

Education is what remains after one has forgotten what one has learned in school.

I do not play games. There is not time for it. When I get through with work, I don't want anything that requires the working of the mind.

You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.

Capitalism creates a huge community of producers who are unceasingly striving to deprive each other of the fruits of their collective labor, and an oligarchy that cannot be effectively checked even by a democratically organized society....the subjugation is not by force but because the privileged class has long ago established a system of values by which the people were thenceforth, to a large extent unconsciously, guided in their social behavior.

...and knowledge is one of the finest attributes of man - though often it is most loudly voiced by those who strive for it the least.

Many of the things you can count, don't count. Many of the things you can't count, really count.