Isaiah 38:7 KJV
And this shall be a sign unto thee from the Lord, that the Lord will do this thing that he hath spoken;
Isaiah 38:7, King James Version
In context
6 And I will deliver thee and this city out of the hand of the king of Assyria: and I will defend this city.
7 And this shall be a sign unto thee from the Lord, that the Lord will do this thing that he hath spoken;
8 Behold, I will bring again the shadow of the degrees, which is gone down in the sun dial of Ahaz, ten degrees backward. So the sun returned ten degrees, by which degrees it was gone down.