John 9:21

“But by what means he now seeth we know not, etc.] 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 their son had doubtless told them it was he; but since they could say nothing of their own personal knowledge, they choose not to say anything of him: he is of age; at man’s estate, as, with the Jews, one was, who was at the age of thirteen years, if he could produce the signs of puberty: and such an one was allowed a witness in any case, but not under this age; nor if he…”

“His parents answered ... - To the first two questions they answered without hesitation. They knew that he was their son, and that he was born blind. The third question they could not positively answer, as they had not witnessed the means of the cure, and were afraid to express their belief. It appears that they had themselves no doubt, but they were not eye-witnesses, and could not be therefore legal evidence. He is of age - He is of sufficient age to give testimony. Among the Jews this age was fixed at thirteen years. If any man did confess that he was Christ - Did acknowledge that he was the Messiah. They had prejudged the case, and were determined to put down all free inquiry, and not to…”