Expositor's Bible Commentary Commentary John 9:26

"They said therefore unto him, What did he to thee? How opened he thine eyes?" — John 9:26 (ASV)

The ensuing argument between the previously blind man and the Pharisees was a duel between an obvious fact and a legal syllogism. The fact of the healing was undeniable and was admitted by the blind man’s opponents. Their incessant questioning exhausted his patience, and he indulged in some sarcasm by insinuating that their repeated inquiries showed an interest in becoming disciples of Jesus.