John 2:18
So the Jews answered and said to him, "What sign do you show to us, because you are doing these [things]?"
John 6:30
So they said to him, "Then what sign will you perform, so that we can see [it] and believe you? What will you do?
Matthew 12:38-42
Then some of the scribes and Pharisees answered him saying, "Teacher, we want to see a sign from you!"
Matthew 16:1-4
And [when] the Pharisees and Sadducees came to test [him], they asked him to show them a sign from heaven.
Matthew 21:23
And [after] he arrived at the temple, the chief priests and the elders of the people came up to him [while he] was teaching, saying, "By what authority are you doing these [things]? And who gave you this authority?"
Mark 8:11
And the Pharisees came and began to argue with him, demanding from him a sign from heaven [in order to] test him.
Mark 11:27-28
And they came again to Jerusalem. And [as] he was walking in the temple [courts], the chief priests and the scribes and the elders came up to him
Luke 11:29
And [as] the crowds were increasing, he began to say, "This generation is an evil generation! It demands a sign, and no sign will be given to it except the sign of Jonah!
Luke 20:1-2
And it happened that on one of the days [while] he was teaching the people in the temple [courts] and proclaiming the gospel, the chief priests and the scribes approached together with the elders
John 1:25
And they asked him and said to him, "Why then are you baptizing, if you are not the Christ, nor Elijah, nor the Prophet?"
Acts 4:7
And they made them stand in [their] midst [and] began to ask, "By what power or by what name did you do this?"
Acts 5:28
saying, "{We strictly commanded} you not to teach in this name? And behold, you have filled Jerusalem with your teaching! And you are intending to bring upon us the blood of this man!"