4. Then came the word of the Lord to Isaiah, saying,
5. Go, and say to Hezekiah, Thus saith the Lord, the God of David thy father, I have heard thy prayer, I have seen thy tears: behold, I will add unto thy days fifteen years.
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;