Cross reference
Jonah 3:4
4 And Jonah began to enter into the city a day's journey, and he cried, and said, Yet forty days, and Nineveh shall be overthrown.
Deuteronomy 18:22
22 when a prophet speaketh in the name of Jehovah, if the thing follow not, nor come to pass, that is the thing which Jehovah hath not spoken: the prophet hath spoken it presumptuously, thou shalt not be afraid of him.
Jeremiah 18:7-10
7 At what instant I shall speak concerning a nation, and concerning a kingdom, to pluck up and to break down and to destroy it;
8 if that nation, concerning which I have spoken, turn from their evil, I will repent of the evil that I thought to do unto them.
9 And at what instant I shall speak concerning a nation, and concerning a kingdom, to build and to plant it;
10 if they do that which is evil in my sight, that they obey not my voice, then I will repent of the good, wherewith I said I would benefit them.
2 Kings 20:1
1 In those days was Hezekiah sick unto death. And Isaiah the prophet the son of Amoz came to him, and said unto him, Thus saith Jehovah, Set thy house in order: for thou shalt die, and not live.
2 Kings 20:6
6 And I will add unto thy days fifteen years; and I will deliver thee and this city out of the hand of the king of Assyria; and I will defend this city for mine own sake, and for my servant David's sake.
Jonah 3:10
10 And God saw their works, that they turned from their evil way; and God repented of the evil which he said he would do unto them; and he did it not.