The good guys had to operate on a higher level than the killers--just for society to keep track of who was who.
Deep down, everyone wants the truth.
There's no original evil left in the world. Everyone's just recycling pain. (257)
Human empathy, while not found on any chart of human anatomy, is the reason we instinctively hurt for our children... it is the reason that one human being's intensely personal tests and triumphs can be harnessed to the good of countless others.
Relationships are never chance events.
When people can do something simple to avoid conflict--say, hit a button or unlock a latch--they'll generally do it.