Catena Aurea on John 7:14–18: Augustine of Hippo

All, it would appear, admired, but all were not converted. Whence then the admiration? Many knew where He was born, and how He had been educated; but had never seen Him learning letters. Yet now they heard Him disputing on the law, and bringing forward its testimonies. No one could do this, who had not read the law; no one could read who had not learnt letters; and this raised their wonder.