Origen
Catena Aurea · Lukasevangelium 1
And in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth, To a virgin espoused to a man whose name was Joseph, of the house of David; and the virgin’s name was Mary.
For if she had had no husband, soon would the thought have stolen into the Devil’s mind, how she who had known no man could be pregnant. It was right that the conception should be Divine, something more exalted than human nature.