2 Kings 20:9

And Isaiah will say, This the sign to thee from Jehovah, that Jehovah will do the word which he spake: the shadow going ten steps, or shall it turn back ten steps?

Isaiah 38:7-8

And this to thee the sign from Jehovah that Jehovah will do this word which he spake:

Matthew 16:1-4

And the Pharisees and Sadducees having come, tempting, asked him to shew them a sign from heaven.

Mark 8:11-12

And the Pharisees came out, and began to search out with him, seeking of him a sign from heaven, tempting him.

Luke 11:29-30

And crowds being collected, he began to say, This is an evil generation: it seeks a sign; and no sign shall be given it, but the sign of Jonas the prophet.

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 to thee the sign from Jehovah that Jehovah will do this word which he spake:
Matthew 16:1
And the Pharisees and Sadducees having come, tempting, asked him to shew them a sign from heaven.
Mark 8:11
And the Pharisees came out, and began to search out with him, seeking of him a sign from heaven, tempting him.
Luke 11:29
And crowds being collected, he began to say, This is an evil generation: it seeks a sign; and no sign shall be given it, but the sign of Jonas the prophet.