Catena Aurea on Luke 1:30–33: A Greek expositor

As if he said, I came not to deceive you, nay rather to bring down deliverance from deception; I came not to rob you of your inviolable virginity, but to open a dwelling-place for the Author and Guardian of thy purity; I am not a servant of the Devil, but the ambassador of Him that destroyeth the Devil. I am come to form a marriage treaty, not to devise plots. So far then was he from allowing her to be harassed by distracting thoughts, lest he should be counted a servant unfaithful to his trust.