Leaving his Irish-Scottish homeland and arriving about the year 400 in Rome, where on account of the unusual purity of his being he soon came to be held in the highest esteem, Pelagius found himself obliged to come out publicly against Augustine, for he felt that Augustine's teachings denied all free will to man. In the purely passive surrender of man to the will of God, as Augustine taught it, he could not but see danger for the future development of Christian humanity. How radically he diverged from Augustine in his view of man we may see from such of his leading thoughts as follow: