William of Saint-Thierry (ca. 1080-1148) became abbot of the Benedictine abbey of Saint-Thierry in about 1119, holding that office for about sixteen years and writing a large number of works, some for the guidance of the monks of his abbey and others as theological treatises. But during that same time, after meeting Bernard, abbot of the Cistercian abbey of Clairvaux, he longed to become a Cistercian. He finally satisfied that dream in 1135, when...