The sun was setting, throwing a fog-like dusk across the stream and trees, and there was a coolness in the air. It was time, I knew, to be getting ba… - Clifford D. Simak

First there was space—endless, limitless space, so far from everything, so brutal, so frigid, so uncaring that it numbed the mind, not so much from fear or loneliness as from the realization that in this eternity of space the thing that was himself was dwarfed to an insignificance no yardstick could measure.

He doubted very much that at any time man could have been said to have truly owned the earth. Rather, they had taken it, wresting it from the other creatures that had as much right of ownership as they, but without the intelligence or the ingenuity or power to assert their rights. Man had been pushy, arrogant interloper rather than the owner. He had taken over by the force of mind, which could be as detestable as the force of muscle, making his own rules, setting his own goals, establishing his own values in utter disregard of all other living things.

For this, he realized, was the future. It was a place without a single feature of the space-time matrix that he knew. It was a place where nothing yet had happened—an utter emptiness. There was neither light nor dark; there was nothing here but emptiness. There had never been anything in this place, nor was anything ever intended to occupy this place—until this very moment when he and his machine had been thrust upon it, intruders who had overstepped their time.