[bornacatholic]

The "Catena Aurea," compiled by St. Thomas Aquinas has the very statements you are looking for. I posted a few earlier

[annalex]

There is little point in discussing the teaching of the Church with someone who does not have faith in them. I spare myself the useless exercise. It is indeed true that the scripture does not address the perpetual virginity of Mary other than by inference.

[HarleyD]

The "Catena Aurea," compiled by St. Thomas Aquinas

I should have known. Him or Saint Anselm should have been my guess.