There is no way that we can predict the weather six months ahead beyond giving the seasonal average.

If you lined up all the cars in the world end to end, someone would try to pass them.

[In the Universe it may be that] Primitive life is very common and intelligent life is fairly rare. Some would say it has yet to occur on Earth.

The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn.

Success is a relative term. It brings so many relatives.

I think the universe was spontaneously created out of nothing, according to the laws of science. It has no beginning and no end.

It is tribute to how far we have come in theoretical physics that it now takes enormous machines and a great deal of money to perform experiments whose results we can not predict.