Bernard was a leading voice in the Second Crusade, which he preached in the 1140s. He was also a driving force in establishing the military order of the Temple—the Templars. And just as Hugh of Cluny had seen a close ally elected Pope Urban II, so Bernard would celebrate one of his own protégés becoming pope: Eugenius III. But where Hugh of Cluny had worn the customary black habit of the Benedictines, Bernard of Clairvaux girded himself in Cistercian white, the color chosen to symbolize purity.
