John 9:36 Meaning

34They answered and said unto him, Thou wast altogether born in sins, and dost thou teach us? And they cast him out.

35Jesus heard that they had cast him out; and when he had found him, he said unto him, Dost thou believe on the Son of God?

36He answered and said, Who is he, Lord, that I might believe on him?

37And Jesus said unto him, Thou hast both seen him, and it is he that talketh with thee.

38And he said, Lord, I believe. And he worshipped him.