Theophylact of Ohrid

After these He catches James and John. And these, although they themselves were poor, nevertheless supported their aged father. But they did not leave their father because abandoning parents is a good thing, but because he wanted to hinder them from following the Lord. So you too, when your parents hinder you, leave them and follow the Good One. It is evident that Zebedee did not believe, but the mother of these apostles believed and, when Zebedee died, also followed the Lord. …

Commentary on Mark ↗