His parents answered, “We know that this is our son and that he was born blind.
He asked his father, “How long has it been since it came to him?” He said, “From childhood.
They asked them, “Is this your son, whom you say was born blind? How then does he now see?”
But how he now sees, we do not know, or who opened his eyes, we do not know. He is of age. Ask him. He will speak for himself.”