Time is still the great mystery to us. It is no more than a concept; we don't know if it even exists.

Here lies one from a distant star, but the soil is not alien to him, for in death he belongs to the universe.

I'm just a propagandist and a propagandist doesn't have to know what he is talking about, just so he talks about it most convincingly.

These are the stories the Dogs tell, when the fires burn high and the wind is from the north.

My reluctance to use alien invasion is due to the feeling that we are not likely to be invaded and taken over.

Much of what we see in the universe ... starts out as imaginary. Often you must imagine something before you can come to terms with it.

If the means were available, we could trace our ancestry - yours and mine - back to the first blob of life-like material that came into being on the planet.