2 Kings 20:2-7

Hezekiah turned toward the wall and prayed to the LORD, “LORD, please remember that I have always obeyed you. I have given myself completely to you and have done what you said was right.” Then Hezekiah cried loudly. Before Isaiah had left the middle courtyard, the LORD spoke his word to Isaiah: “Go back and tell Hezekiah, the leader of my people: ‘This is what the LORD, the God of your ancestor David, says: I have heard your prayer and seen your tears, so I will heal you. Three days from now you will go up to the Temple of the LORD. I will add fifteen years to your life. I will save you and this city from the king of Assyria; I will protect the city for my sake and for the sake of my servant David.’ ” Then Isaiah said, “Make a paste from figs.” So they made it and put it on Hezekiah’s boil, and he got well.