I don't believe I can really do without teaching.

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

During the Middle Ages there were all kinds of crazy ideas, such as that a piece of rhinoceros horn would increase potency. Then a method was discovered for separating the ideas - which was to try one to see if it worked, and if it didn't work, to eliminate it. This method became organized, of course, into science.

I wonder why. I wonder why. I wonder why I wonder.

Mathematics is a language plus reasoning. It's like a language plus logic. Mathematics is a tool for reasoning.

Doubt is clearly a value in science. It is important to doubt and that the doubt is not a fearful thing, but a thing of great value.

From a long view of the history of mankind the most significant event of the nineteenth century will be judged as Maxwell's discovery of the laws of electrodynamics.