On page 25, the narrator states, “That’s the kind of thing I’ll never know, or comprehend—what humans are capable of.” What does this mean? What are some things that humans are capable of (think of both positives and negatives)?

The Book Thief is framed by Death's contemplation of human worth, misery and joy. Death sees the remarkable compassion of humans, like Hans Hubermann, as well as the depravity of humans like the Nazi soldiers who delight in torturing Jews. Although Death is in the business of dying, he is also disillusioned and impressed by those who live.