2 Kings 20:9

And Isaiah said, This shall be the sign to thee from Jehovah, that Jehovah will do the thing that he hath spoken: shall the shadow go forward ten degrees, or go back ten degrees?

Isaiah 38:7-8

And this shall be the sign to thee from Jehovah, that Jehovah will do this thing that he hath spoken:

Matthew 16:1-4

And the Pharisees and Sadducees, coming to him, asked him, tempting him, to shew them a sign out of heaven.

Mark 8:11-12

And the Pharisees went out and began to dispute against him, seeking from him a sign from heaven, tempting him.

Luke 11:29-30

But as the crowds thronged together, he began to say, This generation is a wicked generation: it seeks a sign, and a sign shall not be given to it but the sign of Jonas.

Treasury of Scripture Knowledge

Summary

And Isaiah said, This sign shalt thou have of the LORD, that the LORD will do the thing that he hath spoken: shall the shadow go forward ten degrees, or go back ten degrees?

Bible References

This sign

Isaiah 38:7
And this shall be the sign to thee from Jehovah, that Jehovah will do this thing that he hath spoken:
Matthew 16:1
And the Pharisees and Sadducees, coming to him, asked him, tempting him, to shew them a sign out of heaven.
Mark 8:11
And the Pharisees went out and began to dispute against him, seeking from him a sign from heaven, tempting him.
Luke 11:29
But as the crowds thronged together, he began to say, This generation is a wicked generation: it seeks a sign, and a sign shall not be given to it but the sign of Jonas.