The game I play is a very interesting one. It's imagination, in a tight straightjacket.

If all of this, all the life of a stream of water, can be nothing but a pile of atoms, how much more is possible?

Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute faith and absolute dogmatism in something. And they were so serious in this matter that they insisted that the rest of the world agree with them. And then they would do things that were directly inconsistent with their own beliefs in order to maintain that what they said was true.

The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.

Philosophy of science is about as useful to scientists as ornithology is to birds.

An ordinary fool isn't a faker; an honest fool is all right. But a dishonest fool is terrible!

No problem is too small or too trivial if we can really do something about it.