Quotes about Big consequences

I can't say it better than one of Daniel Mendelsohn's travelling companions does toward the end of this powerful work of investigative empathy: "The Holocaust is so big, the scale of it is so gigantic, so enormous, that it becomes easy to think of it as something mechanical. Anonymous. But everything that happened, happened because someone made a decision. To pull a trigger, to flip a switch, to close a cattle car door, to hide, to betray."