The inclination to pace had been there, but he keeps it reigned in, along with his rage. It will come out eventually, but this was a delicate situation, he knew. Kirk wasn't Khan, and this was not a problem he could get through by simply punching something.

He shakes his head emphatically at the question. "I'm going to tell you about one of the people you just broadcast to so openly. This man likes to test people to their breaking point. His final act before coming here, a second time, was to separate a city onto two ferries. One, the citizens, and the other, its prisoners. Those ferries were rigged with explosives, and each ship had the other's detonator."

Spock waits for the implications of that to sink in before continuing. "Neither boat set the other off, thereby rendering his plan unsuccessful. I know this, because that man is my inmate to look after for as long as he and I are here. Among several other qualities, he possesses a knife - a weapon I willingly returned - the desire to tear machines apart, and a severe lack of self preservation."

Another beat. "I doubt he is even the worst person here."