Venus was the most miserable planet in the system, peopled by miserable excuses for human beings. And somewhere among this conglomeration of boiling protoplasm there was a being unlike the others, a being who walked and talked like the others but who was different--and afraid the difference would be discovered. You'll remember this short story.
"It's well established now that the way you put a question often determines not only the answer you'll get, but the type of answer possible. So. a mechanical answerer, geared to produce the ultimate revelations in reference to anything you want to know, might have unsuspected limitations."
A stellar communications repairman is sent to repair a beacon on a planet, and discovers that its presence had a profound influence on the planet in question. Needing to deal with a locally evolved sentience and a bizarre ritual, the repairman needs to use his best plan to complete his mission and end up alive and whole too.
When overwhelming danger is constantly present, of course a man is entitled to have a bodyguard. The annoyance was that he had to do it himself. and his body would not cooperate!
The earth exploded...Hamilton died...along with all the rest of humanity. When he woke up again, he found himself in a scientific research spacecraft in the universe.