Happiness is not, of course, guaranteed even to those who are affluent, successful, and well loved. But that happiness is not the inevitable outcome of happy circumstances does not mean we can find it by journeying inward to revise our thoughts and feelings. The threats we face are real and can be vanquished only by shaking off self-absorption and taking action in the world. Build up the levees, get food to the hungry, find the cure, strengthen the "first responders"! We will not succeed at all these things, certainly not all at once, but - if I may end with my own personal secret of happiness - we can have a good time trying.