From Genesis to Malachi God had spoken through the prophets of the Coming One, The Anointed One, The Messiah. From Gen.3:15 Satan knew that he was cruising for a bruising. He didn’t know exactly when, where, how, or who this prophesy would be fulfilled. Ultimately Jesus came to destroy the works of the devil and free those were had been in bondage their whole lives, through fear of death. Jesus accomplished this in His death and resurrection, but the fact is that the moment that baby was conceived (perhaps around December) as far as prophesy is concerned, it was as good as done!