Matthew 12:38
Then some of the scribes and Pharisees, hearing this, said to him, Master, we are looking for a sign from you.
Mark 8:11-12
And the Pharisees came out and put questions to him, requesting from him a sign from heaven, testing him.
Luke 11:16
And others, testing him, were looking for a sign from heaven from him.
John 2:18
Then the Jews put this question to him: What sign of authority have you to give us, seeing that you do these things?
1 Corinthians 1:22
Seeing that the Jews make request for signs, and the Greeks are looking for knowledge:
John 4:48
Then Jesus said to him, You will not have faith if you do not see signs and wonders.
John 6:30
So they said, What sign do you give us, so that we may see and have faith in you? What do you do?
Matthew 16:1-4
And the Pharisees and Sadducees came and, testing him, made a request to him to give them a sign from heaven.
Luke 11:29
And when a great number of people came together to him, he said, This generation is an evil generation: it is looking for a sign and no sign will be given to it but the sign of Jonah.