If all of mathematics disappeared, physics would be set back by exactly one week.

There is nothing that living things do that cannot be understood from the point of view that they are made of atoms acting according to the laws of physics.

There is enough energy in a single cubic meter of space to boil all the oceans in the world.

To those who do not know mathematics it is difficult to get across a real feeling as to the beauty, the deepest beauty, of nature ... If you want to learn about nature, to appreciate nature, it is necessary to understand the language that she speaks in.

Listen, I mean that from my knowledge of the world that I see around me, I think that it is much more likely that the reports of flying saucers are the results of the known irrational characteristics of terrestrial intelligence than of the unknown rational efforts of extra-terrestrial intelligence.

It's amazing how many people even today use a computer to do something you can do with a pencil and paper in less time.

In physics the truth is rarely perfectly clear, and that is certainly universally the case in human affairs. Hence, what is not surrounded by uncertainty cannot be the truth.