 All of the following motivate Prantera to accept the proposal from Brett-James and Reston-Ferrell EXCEPT:
And at that moment, the universe caved inward upon Joseph Marie Prantera. It opened on his approach, the door sliding back into the wall in much the same manner as the room's door had opened for Reston-Farrell. Reston-Farrell said, "I am afraid, Mr. Salviati-Prantera, that these are the only garments available. Reston-Farrell said compassionately, "Try this, it's excellent cognac." Reston-Farrell had approached the door by which he had entered and it reopened for him. Reston-Farrell, the one Joe had already met, was tall and drawn of face and with a chainsmoker's nervousness. Reston-Farrell said, "May I present my colleague, Citizen Warren Brett-James? Warren Brett-James said soothingly, "Prepare yourself for somewhat of a shock, Mr. Prantera. Brett-James said gently, "Hardly for one hundred and seventy years, Mr. Prantera." Reston-Farrell said, "Suffice to say, you are now one hundred and seventy-three years after the last memory you have." Reston-Farrell said, "Mr. Prantera, we have brought you from your era to perform a task for us." For the second time, Reston-Farrell said, "Where would you go, Mr. Prantera?" "Yes," Brett-James said, his voice soft. The two men of the future said nothing more for long minutes while Joe Prantera's mind whirled its confusion. "That is why we brought you here, Mr. Prantera.
 He does not need to worry about Temple-Tracy's followers seeking revenge
 He does not need to worry about Temple-Tracy's followers seeking revenge  He does not have to fear being arrested by the police  He is unlikely to encounter someone with weapons during the job  He does not have a chance of being sent back to 1960