18 Then the Jews addressed him and said, "What sign have you to show us, for acting in this way?"
John 2:18 Cross References - Goodspeed
Matthew 12:38-42
38 Then some of the scribes and Pharisees addressed him, saying, "Master, we would like to have you show us some sign."
39 But he answered, "Only a wicked and faithless age insists upon a sign, and no sign will be given it but the sign of the prophet Jonah.
40 For just as Jonah was in the maw of the whale for three days and nights, the Son of Man will be three days and nights in the heart of the earth.
41 Men of Nineveh will rise with this age at the judgment and condemn it, for when Jonah preached they repented, and there is more than Jonah here!
42 The queen of the south will rise with this age at the judgment and condemn it, for she came from the very ends of the earth to listen to Solomon's wisdom, and there is more than Solomon here!
Matthew 16:1-4
Matthew 21:23
23 When he had entered the Temple, and was teaching, the high priests and the elders of the people came up to him, and said, "What authority have you for doing as you do, and who gave you this authority?"
Mark 8:11
11 The Pharisees came out and began a discussion with him, testing him by asking him to show them a sign from heaven.
Mark 11:27-28
27 Then they went into Jerusalem again. And as Jesus was walking about in the Temple, the high priests, scribes, and elders came up
28 and said to him, "What authority have you for doing as you do? And who gave you a right to do as you are doing?"
29 As the crowds pressed a round him, he went on to say, "This is a wicked age! It demands a sign, and no sign will be given it but the sign of Jonah.
Luke 20:1-2
John 1:25
25 And they asked him, "Then why are you baptizing people, if you are not the Christ, nor Elijah, nor the Prophet?"
John 6:30
30 Then they said to him, "Then what sign do you show for us to see and so come to believe you? What work are you doing?
Acts 4:7
7 They had the apostles brought before them and demanded of them, "By what power or authority have men like you done this?"
Acts 5:28
28 "We strictly forbade you," he said, "to teach on this authority, and here you have filled Jerusalem with your teaching, and propose to hold us responsible for this man's death!"