Isaiah 38:4-8

38:4 The Lord told Isaiah, 38:5 “Go and tell Hezekiah: ‘This is what the Lord God of your ancestor David says: “I have heard your prayer; I have seen your tears. Look, I will add fifteen years to your life, 38:6 and rescue you and this city from the king of Assyria. I will shield this city.”’” 38:7 Isaiah replied, “This is your sign from the Lord confirming that the Lord will do what he has said: 38:8 Look, I will make the shadow go back ten steps on the stairs of Ahaz.” And then the shadow went back ten steps.

Isaiah 38:21-22

38:21 Isaiah ordered, “Let them take a fig cake and apply it to the ulcerated sore and he will get well.” 38:22 Hezekiah said, “What is the confirming sign that I will go up to the Lord’s temple?”