John 2:18-19

The Jews then responded to him, "What sign can you show us to prove your authority to do all this?" Jesus answered them, "Destroy this temple, and I will raise it again in three days." 

The Jews then responded to him 
John 1:19  Now this was John's testimony when the Jewish leaders in Jerusalem sent priests and Levites to ask him who he was.
John 5:16  So because Jesus was doing these things on the Sabbath, the Jewish leaders began to persecute him.
John 7:1  After this, Jesus went around in Galilee. He did not want to go about in Judea because the Jewish leaders there were looking for a way to kill him.

What sign can you show us to prove your authority to do all this? 
Matthew 12:38  Then some of the Pharisees and teachers of the law said to him, "Teacher, we want to see a sign from you."
John 4:48  "Unless you people see signs and wonders," Jesus told him, "you will never believe."

Jesus answered them, "Destroy this temple, and I will raise it again in three days." 
Matthew 16:21  From that time on Jesus began to explain to his disciples that he must go to Jerusalem and suffer many things at the hands of the elders, the chief priests and the teachers of the law, and that he must be killed and on the third day to be raised to life.
Matthew 26:59-61  The chief priests and the whole Sanhedrin were looking for false evidence against Jesus so that they could put him to death. But they did not find any, though many false witnesses came forward. Finally two came forward and declared, "This fellow said, 'I am able to destroy the temple of God and rebuild it in three days.' "
Mark 14:57-58  Then some stood up and gave this false testimony against him: "We heard him say, 'I will destroy this temple made with human hands and in three days will build another, not made with hands.' "
Acts 6:13-14  They produced false witnesses, who testified, "This fellow (Stephen) never stops speaking against this holy place and against the law. For we have heard him say that this Jesus of Nazareth will destroy this place and change the customs Moses handed down to us."

(parentheses are mine)

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