In Aging Matters: Finding Your Calling for the Rest of Your Life, R. Paul Stevens delves into matters of calling, spirituality, and legacy in retirement, showing that we must continue to discern our vocation as we grow older in order to remain meaningfully engaged for the rest of our lives. He reframes retirement as a time of continued calling and productivity and points to biblical wisdom that can help us redefine aging as an extraordinarily fruitful season of life.