Now the Father draws us from the evil of sin to the goodness of His grace with the might of His measureless power, and He needs all the resources of His strength in order to convert sinners, more than when He was about to make heaven and earth, which He made with His own power without help from any creature. But when He is about to convert a sinner, He always needs the sinner's help. "He converts thee not without thy help," as St. Augustine says.