THe beginning of the Gospel] That is, the beginning of the euangelicall Storie of the first promulgation of the Gospel, which was by the ministery of John, at whose preaching Mark begins his relations. See the Argument on Matthew, and on chap. 1. 1. there.
the Son of God] Matthew calls him, The son of David, to shew his humane nature, and that he was the promised Messias; Mark stiles him, The Son of God, to set out his divine power, and ability to save us.