Who sinned, this man or his parents, that he was born blind? — That is, was it for his own sins, or the sins of his parents? They suppose (as many of the Jews did, though without any ground from Scripture) that he might have sinned in a pre — existent state, before he came into the world.
Related Commentaries of John 9:2
John 9:2
2 And his disciples asked him, saying, Master, who did sin, this man, or his parents, that he was born blind?