Reason and imagination, combined together, lead to something even more incredible. Without imagination, animals have a hard time wrapping their heads around the fact that animals other than themselves are full, living creatures who experience life just like they do. They can’t put themselves in another animal’s shoes. Without reason, animals can’t follow the logic that concludes that the lives of others are just as valuable as their own, and their pain and pleasure just as real. These two superpowers produced a third superpower—one that, above all, makes humans human: empathy.