In the preface to the beautiful and inspiring work, Simple Gratitudes, Hannah Greenberg begins, "It's neither riches nor social status that makes our tenacious hanging on to life worthwhile. Rather, it's our integration of challenging "sensibilities," of deep feelings which might be sweet, but which are necessarily sharply disconcerting, that stretches us and that enables us to grasp the best qualities of this world. "Gratitude," not "entitlement," remains the proven route, within our mort...