Psalm 89:34

I will not profane my covenant, nor alter the thing that is gone out of my lips.

Numbers 23:19

God is not a man, that he should lie; neither the son of man, that he should repent; he said and shall he not do it? He spoke and shall he not execute it?

Jeremiah 33:20

Thus hath the LORD said; If ye can break my covenant with the day, and my covenant with the night, such that there should not be day nor night in their season,

Leviticus 26:44

And yet for all that, when they are in the land of their enemies, I will not cast them away, neither will I abhor them to destroy them utterly and to break my covenant with them; for I AM their God.

Jeremiah 14:21

Do not cast us away; for thy name's sake, do not disgrace the throne of thy glory; remember, do not break thy covenant with us.

Malachi 3:6

For I am the LORD, I have not changed; therefore, ye sons of Jacob have not been consumed.

Matthew 24:35

The heaven and the earth shall pass away, but my words shall not pass away.

Romans 11:29

For the gifts and calling of God are without repentance.

James 1:17

Every good gift and every perfect gift is from above and comes down from the Father of lights, with whom is no variableness neither shadow of turning.

Treasury of Scripture Knowledge

Summary

My covenant will I not break, nor alter the thing that is gone out of my lips.

Bible References

Nor

Numbers 23:19
God is not a man, that he should lie; neither the son of man, that he should repent; he said and shall he not do it? He spoke and shall he not execute it?
Malachi 3:6
For I am the LORD, I have not changed; therefore, ye sons of Jacob have not been consumed.
Matthew 24:35
The heaven and the earth shall pass away, but my words shall not pass away.
Romans 11:29
For the gifts and calling of God are without repentance.
James 1:17
Every good gift and every perfect gift is from above and comes down from the Father of lights, with whom is no variableness neither shadow of turning.