Concerning the nature and extent of Christian devotion. Devotion is neither private nor public prayer, but prayers whether private or public are particular parts or instances of devotion. Devotion signifies a life given or devoted to God. He therefore is the devout man who lives no longer to his own will, or the way and spirit of the world, but to the sole will of God, who considers God in everything, who serves God in everything, who makes all the parts of his common life parts of piety