Because of the great holiness of the prayer life of Saint Simeon Stylites the Younger, and because of his growing reputation as a healer and miracle worker, the place where he lived as a hermit became a site for many pilgrimages.
Saint Stephen Harding found great joy in imitating Jesus through a life of poverty, praying, fasting, and working hard. When the other monks got tired of such a difficult life, Stephen formed a new community, the Cistercians.
Saint Theodore Tyro was a young soldier in the Roman army when he converted to Christianity. Though he was ordered to fight enemies of the empire, he believed that the devil was the only true enemy. Soon, he was killed for being a Christian, thus winning the battle against the demons who wanted to keep him out of Heaven.
Saint Thomas Aquinas