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.

I have not long to live. I have lasted more than a man's average allotted span, and while I still am hale and hearty, I know full well the hand of time , while it may miss a man at one reaping, will get him at the next.

We came into a homeless frontier, a place where we were not welcome, where nothing that lived was welcome, where thought and logic were abhorrent and we were frightened, but we went into this place because the universe lay before us, and if we were to know ourselves, we must know the universe

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.

Must faith be exactly that, the willingness and ability to believe in the face of a lack of evidence? If one could find the evidence, would then the faith be dead?

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

We said, there's another second gone, there's another minute and another hour and another day, when, as a matter of fact the second or the minute or the hour was never gone. It was the same one all the time. It had just moved along and we had moved with it.