Riverside(i)
 19  and had asked them, "Is this your son, who you say was born blind? Then how can he see now?"
 
 20  His parents answered, "We know that this is our son, and that he was born blind.
 
 21  But how he sees now we do not know, or who opened his eyes we do not know. Ask him; he is of age; he shall speak for himself."