Psalm 89:34

“My covenant I will not violate,
Nor will I alter the utterance of My lips.

Numbers 23:19

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?

Jeremiah 33:20

“Thus says the Lord, ‘If you can break My covenant for the day and My covenant for the night, so that day and night will not be at their appointed time,

Leviticus 26:44

Yet in spite of this, when they are in the land of their enemies, I will not reject them, nor will I so abhor them as to destroy them, breaking My covenant with them; for I am the Lord their God.

Jeremiah 14:21

Do not despise us, for Your own name’s sake;
Do not disgrace the throne of Your glory;
Remember and do not annul Your covenant with us.

Malachi 3:6

“For I, the Lord, do not change; therefore you, O sons of Jacob, are not consumed.

Matthew 24:35

Heaven and earth will pass away, but My words will not pass away.

Romans 11:29

for the gifts and the calling of God are irrevocable.

James 1:17

Every good thing given and every perfect gift is from above, coming down from the Father of lights, with whom there is no variation or shifting shadow.

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,
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?
Malachi 3:6
“For I, the Lord, do not change; therefore you, O sons of Jacob, are not consumed.
Matthew 24:35
Heaven and earth will pass away, but My words will not pass away.
Romans 11:29
for the gifts and the calling of God are irrevocable.
James 1:17
Every good thing given and every perfect gift is from above, coming down from the Father of lights, with whom there is no variation or shifting shadow.