2 Kings 20:9
And Isaiah said, This shall be the sign to thee from LORD, that LORD will do the thing that he has spoken: Shall the shadow go forward ten steps, or go back ten steps?
Isaiah 38:7-8
And this shall be the sign to thee from LORD, that LORD will do this thing that he has spoken:
Matthew 16:1-4
And the Pharisees and Sadducees who came, testing, demanded him to exhibit to them a sign from the sky.
Mark 8:11-12
And the Pharisees came forth, and began to dispute with him, seeking from him a sign from the sky, testing him.
Luke 11:29-30
And when the multitudes gathered together he began to say, This generation is evil. They seek a sign, and no sign will be given to it except the sign of Jonah, the prophet.