Jesus replies that he must "be in his father's house" (). The Synoptic accounts of Jesus' baptism are all preceded by information about John the Baptist. They show John preaching penance and repentance for the remission of sins and encouraging the giving of alms to the poor () as he baptizes people in the area of the Jordan River around Perea and foretells () the arrival of someone "more powerful" than he. Later, Jesus identifies John as "the Elijah who was to come" (, ), the prophet who was expected to arrive before the "great and terrible day of the Lord"
John the Baptist the Old Testament which are interpreted by Christians as being prophetic of John the Baptist in this role. These include a passage in the Book of Malachi () that refers to a prophet who would "prepare the way of the Lord": and also at the end of the next chapter in Malachi 4:5–6 where it says, The Jews of Jesus' day expected Elijah to come before the Messiah; indeed, some present day Jews continue to await Elijah's coming as well, as in the Cup of Elijah the Prophet in the Passover Seder. This is why the disciples ask Jesus in