Jonah 3:4
And Jonah began to go into the city a journey of one day, and he cried out and said, "Forty more days and Nineveh will be demolished!"
Deuteronomy 18:22
[Whenever] what the prophet spoke in the name of Yahweh, the thing does not take place and [does] not come [about], that [is] the thing that Yahweh has not spoken to him. Presumptuously the prophet spoke it; you shall not fear that prophet."
Jeremiah 18:7-10
One moment I speak concerning a nation or concerning a kingdom, to uproot, and to tear down, and to destroy [it].
2 Kings 20:1
In those days Hezekiah became {deathly ill}, and Isaiah the son of Amoz the prophet came to him and said to him, "Thus says Yahweh, 'Command your house, for you [are about] to die; you will not recover.'"
2 Kings 20:6
I will add to your days fifteen years, and from the hand of the king of Assyria I will deliver you and this city. I will defend this city for my sake and for the sake of David my servant." '"
Jonah 3:10
And God saw their deeds--that they turned from their evil ways--and God changed his mind about the evil that he had said [he would] bring upon them, and he did not do [it].