What is the meaning of John 9:21?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

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.”

Berean Standard Bible (BSB)

but how he now sees, we don’t know; or who opened his eyes, we don’t know. He is of age. Ask him. He will speak for himself.”

World English Bible (WEB)

But{G1161} by what means{G4459} he{G991} now{G3568} seeth{G991}{(G5719)}, we know{G1492}{(G5758)} not{G3756}; or{G2228} who{G5101} hath opened{G455}{(G5656)} his{G846} eyes{G3788}, we{G2249} know{G1492}{(G5758)} not{G3756}: he{G846} is{G2192}{(G5719)} of age{G2244}; ask{G2065}{(G5657)} him{G846}: he{G846} shall speak{G2980}{(G5692)} for{G4012} himself{G848}.

Strong's King James

(21) But how he now sees, we don't know, or who opened his eyes, we don't know. Ask him! He is of age, he will speak for himself.

The F.O.G*

[21] But we don't know how he can now see or who opened his eyes. He's an adult - ask him yourself. He can speak for himself."

The F.O.G Paraphrase

and how he now seeth, we have not known; or who opened his eyes, we have not known; himself is of age, ask him; he himself shall speak concerning himself.’

Young's Literal Translation