If it's solvable, it has to depend on what kind of people we are.  You can't do this with a demon.  You can't do this with a rock that has 'Defect' written on it either.  That's why Keltham said we were allowed to talk to each other, it's not that we can - threaten each other, or persuade each other, using just words, it's something we have to know about each other.

If it's solvable, it has to depend on what kind of people we are.  You can't do this with a demon.  You can't do this with a rock that has 'Defect' written on it either.  That's why Keltham said we were allowed to talk to each other, it's not that we can - threaten each other, or persuade each other - it's something we have to know about each other.