Malachi 3:6
“Because I, the LORD, do not change, you descendants of Jacob have not been destroyed.
General
Genesis 15:7, 18
The LORD also told him, “I am the LORD, who brought you out of Ur of the Chaldeans to give you this land to possess.” ... On that day the LORD made a covenant with Abram, saying, “To your descendants I have given this land—from the river of Egypt to the great River Euphrates—
Genesis 22:16
saying, “By Myself I have sworn, declares the LORD, that because you have done this and have not withheld your only son,
Exodus 3:14-15
God said to Moses, “I AM WHO I AM. This is what you are to say to the Israelites: ‘I AM has sent me to you.’” God also told Moses, “Say to the Israelites, ‘The LORD, the God of your fathers—the God of Abraham, the God of Isaac, and the God of Jacob—has sent me to you.’ This is My name forever, and this is how I am to be remembered in every generation.
Nehemiah 9:7-8
You are the LORD, the God who chose Abram, who brought him out of Ur of the Chaldeans and gave him the name Abraham. You found his heart faithful before You, and made a covenant with him to give the land of the Canaanites and Hittites, of the Amorites and Perizzites, of the Jebusites and Girgashites—to give it to his descendants. You have kept Your promise, because You are righteous.
Isaiah 41:13
For I am the LORD your God, who takes hold of your right hand and tells you: Do not fear, I will help you.
Isaiah 42:5-8
This is what God the LORD says—He who created the heavens and stretched them out, who spread out the earth and its offspring, who gives breath to the people on it and life to those who walk in it: “I, the LORD, have called you for a righteous purpose, and I will take hold of your hand. I will keep you and appoint you to be a covenant for the people and a light to the nations, to open the eyes of the blind, to bring prisoners out of the dungeon and those sitting in darkness out from the prison house. I am the LORD; that is My name! I will not yield My glory to another or My praise to idols.
Isaiah 43:11-12
I, yes I, am the LORD, and there is no Savior but Me. I alone decreed and saved and proclaimed—I, and not some foreign god among you. So you are My witnesses,” declares the LORD, “that I am God.
Isaiah 44:6
Thus says the LORD, the King and Redeemer of Israel, the LORD of Hosts: “I am the first and I am the last, and there is no God but Me.
Isaiah 45:5-8
I am the LORD, and there is no other; there is no God but Me. I will equip you for battle, though you have not known Me, so that all may know, from where the sun rises to where it sets, that there is none but Me; I am the LORD, and there is no other. I form the light and create the darkness; I bring prosperity and create calamity. I, the LORD, do all these things. Drip down, O heavens, from above, and let the skies pour down righteousness. Let the earth open up that salvation may sprout and righteousness spring up with it; I, the LORD, have created it.
Jeremiah 32:27
“Behold, I am the LORD, the God of all flesh. Is anything too difficult for Me?
Hosea 11:9
I will not execute the full fury of My anger; I will not turn back to destroy Ephraim. For I am God and not man—the Holy One among you—and I will not come in wrath.
General
Numbers 23:19
God is not a man, that He should lie, or a son of man, that He should change His mind. Does He speak and not act? Does He promise and not fulfill?
1 Samuel 15:29
Moreover, the Glory of Israel does not lie or change His mind, for He is not a man, that He should change His mind.”
Psalms 102:26
They will perish, but You remain; they will all wear out like a garment. Like clothing You will change them, and they will be passed on.
Hebrews 6:18
Thus by two unchangeable things in which it is impossible for God to lie, we who have fled to take hold of the hope set before us may be strongly encouraged.
Hebrews 13:8
Jesus Christ is the same yesterday and today and forever.
James 1:17
Every good and perfect gift is from above, coming down from the Father of the heavenly lights, with whom there is no change or shifting shadow.
Revelation 1:8
“I am the Alpha and the Omega,” says the Lord God, who is and was and is to come—the Almighty.
Revelation 22:13
I am the Alpha and the Omega, the First and the Last, the Beginning and the End.”
General
Psalms 78:38, 57
And yet He was compassionate; He forgave their iniquity and did not destroy them. He often restrained His anger and did not unleash His full wrath. ... They turned back and were faithless like their fathers, twisted like a faulty bow.
Psalms 103:17
But from everlasting to everlasting the loving devotion of the LORD extends to those who fear Him, and His righteousness to their children’s children—
Psalms 105:7-10
He is the LORD our God; His judgments carry throughout the earth. He remembers His covenant forever, the word He ordained for a thousand generations— the covenant He made with Abraham, and the oath He swore to Isaac. He confirmed it to Jacob as a decree, to Israel as an everlasting covenant:
Isaiah 40:28-31
Do you not know? Have you not heard? The LORD is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary; His understanding is beyond searching out. He gives power to the faint and increases the strength of the weak. Even youths grow tired and weary, and young men stumble and fall. But those who wait upon the LORD will renew their strength; they will mount up with wings like eagles; they will run and not grow weary, they will walk and not faint.
Lamentations 3:22-23
Because of the loving devotion of the LORD we are not consumed, for His mercies never fail. They are new every morning; great is Your faithfulness!
Romans 5:10
For if, when we were enemies of God, we were reconciled to Him through the death of His Son, how much more, having been reconciled, shall we be saved through His life!
Romans 8:28-32
And we know that God works all things together for the good of those who love Him, who are called according to His purpose. For those God foreknew, He also predestined to be conformed to the image of His Son, so that He would be the firstborn among many brothers. And those He predestined, He also called; those He called, He also justified; those He justified, He also glorified. What then shall we say in response to these things? If God is for us, who can be against us? He who did not spare His own Son but gave Him up for us all, how will He not also, along with Him, freely give us all things?
Romans 11:28-29
Regarding the gospel, they are enemies on your account; but regarding election, they are loved on account of the patriarchs. For God’s gifts and His call are irrevocable.
Philippians 1:6
being confident of this, that He who began a good work in you will carry it on to completion until the day of Christ Jesus.
2 Thessalonians 2:13-14
But we should always thank God for you, brothers who are loved by the Lord, because God has chosen you from the beginning to be saved by the sanctification of the Spirit and by faith in the truth. To this He called you through our gospel, so that you may share in the glory of our Lord Jesus Christ.