Isaiah 38:5

³  And said, Remember now, O LORD, I beseech thee, how I have walked before thee in truth and with a perfect heart, and have done that which is good in thy sight. And Hezekiah wept sore.

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;