Having learned from the servants the hour in which the son got better, that is, when the son came into a better and healthy condition, the father completely believes in the Lord. For his previous faith was imperfect.
Do not tell me that he would not have gone to Christ if he had not believed. For fathers, out of love for their children, usually turn to physicians not only skilled but also unskilled, not wishing to leave anything undone. So he came by faith, let us grant this too, but by a faith cold and imperfect, which one would not even call faith; and then, when he learned also of the hour, he believed completely.
Jn. 4:54. This is the second miracle Jesus performed after returning from Judea to Galilee.
Why does the evangelist say that this was the second miracle Jesus performed in Cana? In order to show what praise the Samaritans deserve; for although, he says, this was the second miracle, nevertheless the Galileans did not reach the height of those who had not seen a single sign and yet believed.