Ellicott's Commentary for English Readers - John 9:21
(21) But by what means he now seeth.—Better, but how he now seeth. The answer is in the exact words of the question, which is not seen in our version. They will not pass beyond the plain matters of fact of which they were certain.Or who hath opened his eyes.—They pass here to a fourth question, which was not asked, but which they see to be the real point which the Pharisees are aiming at, and in which they have determined not to be entangled.He is of age, ask him.—The better reading here is... read more
Ellicott's Commentary for English Readers - John 9:20
(20) We know that this is our son . . .—The two earlier questions of matter of fact they can answer with certainty. They know, as none besides themselves can know, that he was their son, and they know the painful truth that he was born blind. read more