What is worth loving? The potential of humanity, the power of reason, the comfort of another’s love, the pursuit of knowledge and truth, the beauty and joy of human experience, and the nearly unlimited power of the human will to endure almost any hardship or solve almost any problem. And that is just the short list. How many wonderful people do we know, or could we know if we sought them out, who are worth loving—loving merely for the fact that we wished there were more of them in the world, and the fact that they give us a reason to live?