2 Kings 20:6-8New International Version (NIV)

⁶ I will add fifteen years to your life. And I will deliver you and this city from the hand of the king of Assyria. I will defend this city for my sake and for the sake of my servant David.’”

⁷ Then Isaiah said, “Prepare a poultice of figs.” They did so and applied it to the boil, and he recovered.

⁸ Hezekiah had asked Isaiah, “What will be the sign that the Lord will heal me and that I will go up to the temple of the Lord on the third day from now?”