John Chrysostom (attributed)

The Sun as he approaches the horizon, and before he is yet visible, sends out his rays and makes the eastern sky to glow with light, that Aurora going before may herald the coming day. Thus the Lord at His birth in this earth, and before He shews Himself, enlightens John by the rays of His Spirit’s teaching, that he might go before and announce the Saviour that was to come. Therefore after having related the birth of Christ, before proceeding to His teaching and baptism, (wherein he received such testimony,) he first premises somewhat of the Baptist and forerunner of the Lord. In those days, &c.