God is not a man, that he should lie, nor a son of man, that he should repent. Has he said, and will he not do it? Or has he spoken, and will he not make it good? — Numbers 23:19

in hope of eternal life, which God, who can’t lie, promised before time began; — Titus 1:2

that by two immutable things, in which it is impossible for God to lie, we may have a strong encouragement, who have fled for refuge to take hold of the hope set before us. — Hebrews 6:18

Yahweh has sworn, and will not change his mind: “You are a priest forever in the order of Melchizedek.” — Psalms 110:4

In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath; — Hebrews 6:17

God saw their works, that they turned from their evil way. God relented of the disaster which he said he would do to them, and he didn’t do it. — Jonah 3:10

if that nation, concerning which I have spoken, turns from their evil, I will repent of the evil that I thought to do to them. — Jeremiah 18:8

Yahweh repented of the evil which he said he would do to his people. — Exodus 32:14

Therefore he said that he would destroy them, had Moses, his chosen, not stood before him in the breach, to turn away his wrath, so that he wouldn’t destroy them. — Psalms 106:23

Yahweh said, “I have pardoned according to your word: — Numbers 14:20