Matthew 12:38
Then certain of the scribes and Pharisees answered him, saying, Teacher, we would see a sign from thee.
Mark 8:11-12
And the Pharisees came forth, and began to question with him, seeking of him a sign from heaven, trying him.
Luke 11:16
And others, trying him , sought of him a sign from heaven.
John 2:18
The Jews therefore answered and said unto him, What sign showest thou unto us, seeing that thou doest these things?
1 Corinthians 1:22
Seeing that Jews ask for signs, and Greeks seek after wisdom:
John 4:48
Jesus therefore said unto him, Except ye see signs and wonders, ye will in no wise believe.
John 6:30
They said therefore unto him, What then doest thou for a sign, that we may see, and believe thee? what workest thou?
Matthew 16:1-4
And the Pharisees and Sadducees came, and trying him asked him to show them a sign from heaven.
Luke 11:29
And when the multitudes were gathering together unto him, he began to say, This generation is an evil generation: it seeketh after a sign; and there shall no sign be given to it but the sign of Jonah.