But how he can now see or who opened his eyes, we do not know. Ask him. He is old enough to speak for himself.”
One would have expected that such a miracle as Christ wrought upon the blind man would have settled his reputation, and silenced and shamed all opposition, but it had the contrary effect; instead of being embraced as a prophet for it, he is prosecuted as a criminal. I.
Commenting on John 9:13-34
But by what means he now seeth we know not,.... As to the third question they could say nothing to it, they were not present when the cure was wrought, and knew nothing of the matter, but what they had heard from their son, or from others, or both: or who hath opened his eyes we know not; they had heard it was Jesus, and...
He is of age - Ἡλικιαν εχει, literally, he has stature, i.e. he is a full-grown man; and in this sense the phrase is used by the best Greek writers. See Kypke and Raphelius. Mature age was fixed among the Jews at thirty years.