In this answer He sought not to disown His mother, but to shew that His birth would have profited her nothing, had she not been really fruitful in works and faith. But if it profited Mary nothing that Christ derived His birth from her, without the inward virtue of her heart, much less will it avail us to have a virtuous father, brother, or son, while we ourselves are strangers to virtue.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: Hom. 44. in Matt.