His Trappist brother Father William Meninger found it in one day in 1974, in a dusty copy of a 14th-century guide to contemplative meditation, "The Cloud of Unknowing." Drawing on that work, as well as the writings of the contemplatives Saint John of the Cross and Saint Teresa of Avila, the two monks began teaching a form of Christian meditation that grew into the worldwide phenomenon known as centering prayer. Twice a day for 20 minutes, practitioners find a quiet place to sit with their eyes closed and surrender their minds to God. In more than a dozen books and in speeches and retreats that have attracted tens of thousands, Keating has spread the word to a world of "hungry people, looking for a deeper relationship with God."
For most of history, that's exactly what most people have been looking for. But only a generation ago it appeared from some vantage points, such as midtown Manhattan, that Americans were on their way to turning their backs on God. In sepulchral black and red, the cover of Time magazine dated April 8, 1966-Good Friday-introduced millions of readers to existential anguish with the question Is God Dead? If he was, the likely culprit was science, whose triumph was deemed so complete that "what cannot be known [by scientific methods] seems uninteresting, unreal."