Canadian Catholic philosopher Jean Vanier helped found L’Arche, a worldwide multi-cultural community of care for developmentally challenged and differently abled persons. In “Living Gently in a Violent World,” a book co-authored with Yale theologian Stanley Hauerwas, Vanier observes that compassion flows across many different cultures, religions, and races. “[L]ife has not always been easy. But we’ve kept going. There is a vital need to listen to each other, to pray together, to listen to reality, to listen to God. ‘Good’ religious people don’t always come to us; we get...