John 9:38
“He says, Lord, I believe; and he worshipped Him” (straightway).
He said not, “I am He that healed you, that bade you, Go, wash in Siloam”; but keeping silence on all these points, He says, “Do you believe in the Son of God?” and then the man, showing his great earnestness, straightway worshipped; which few of those who were healed had done; as, for instance, the lepers, and some others; by this act declaring His divine power. For that no one might think that what had been said by him was a mere expression, he added also the deed. When he had worshipped, Christ said,
Source: Homilies on the Gospel of John (New Advent)