Should we find a second form of life right here on our doorstep we could be confident that life is a truly cosmic phenomenon. If so there may well be sentient beings somewhere in the galaxy wondering as do we if they are not alone in the universe.
He was thinking alone and seriously racking his brain to find a direction for this single force four times multiplied with which he did not doubt as with the lever for which Archimedes sought they should succeed in moving the world when some one tapped gently at his door.
