Having a careful ear and an open heart is vital to understanding the big ideas of the Universe. Two friends, Distefano and Machuga, put this on display here, vulnerably exploring some of humanity's most robust topics: what it means to be human, what it means to be saved, what it means to be lost, and what the meaning of life is. And while the authors agree on many things, including the ultimate fate of humanity, they do not necessarily agree on all the details of how we get there. But inst...