Once I wept for I had no shoes. Then I met a man with no feet, so I took his shoes. I mean, it wasn't as if he was going to need them.

A model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and second if the model makes definite predictions that can be tested, and possibly falsified, by observation.

Physics as we know it will be over in six months - Max Born

There are too many accidents that can befall life on a single planet.

If what we regard as real depends on our theory, how can we make reality the basis of our philosophy? But we cannot distinguish what is real about the universe without a theory. It makes no sense to ask if it corresponds to reality, because we do not know what reality is independent of a theory.

If you are lucky enough to find love, remember it is there and don't throw it away.

Of course it is possible that UFO's really do contain aliens as many people believe, and the government is hushing it up