Psalm 89:34

I will not violate My covenant
or change what My lips have said.

Numbers 23:19

God is not a man who lies,
or a son of man who changes His mind.
Does He speak and not act,
or promise and not fulfill?

Jeremiah 33:20

“This is what the Lord says: If you can break My covenant with the day and My covenant with the night so that day and night cease to come at their regular time,

Leviticus 26:44

Yet in spite of this, while they are in the land of their enemies, I will not reject or abhor them so as to destroy them and break My covenant with them, since I am Yahweh their God.

Jeremiah 14:21

Because of Your name, don’t despise us.
Don’t disdain Your glorious throne.
Remember Your covenant with us;
do not break it.

Malachi 3:6

“Because I, Yahweh, have not changed, you descendants of Jacob have not been destroyed.

Matthew 24:35

Heaven and earth will pass away, but My words will never pass away.

Romans 11:29

since God’s gracious gifts and calling are irrevocable.

James 1:17

Every generous act and every perfect gift is from above, coming down from the Father of lights; with Him there is no variation or shadow cast by turning.

Treasury of Scripture Knowledge

Summary