John Chrysostom

What kind of accusation is this, to Call one the son of a murderer, who partakes not in his father's disposition? Clearly there is no guilt in being so; wherefore this must be said in proof of their resemblance in wickedness.

Catena Aurea by Aquinas ↗

Thomas Aquinas

Then he sets forth their cruelty. And first, in general; secondly, in particular. And he sets forth the temporal punishment, at behold, I send to you prophets, and wise men, and scribes. Regarding the first, he first describes the origin; secondly, the imitation of evil; thirdly, he threatens punishment. He says, wherefore you are witnesses against yourselves, that you are the sons of those who killed the prophets. But what evil was it for them, since it was not in their power? …

Commentary on Matthew ↗