Psalm 89:34

I will not violate my covenant, And that which hath proceeded out of my lips, will I not alter:

Numbers 23:19

GOD is, not a man, that he should lie, Nor a son of Adam, that he should repent, - Hath, he, said, and will not perform? Yea spoken, and will not make it stand fast?

Jeremiah 33:20

Thus, saith Yahweh, If ye can break, My covenant of the day, and My covenant of the night, That there be not day and night in their season,

Leviticus 26:44

And yet even so when they are in the land of their foes I have not refused them Neither have I abhorred them To make an end of them, To break my covenant with them, - For, I - Yahweh, am their God.

Jeremiah 14:21

Do not despise - for the sake of thy Name, Do not treat with contempt - the throne of thy glory, - Remember! - do not break thy covenant with us.

Malachi 3:6

Because, I, Yahweh, have not changed, therefore, ye, the sons of Jacob, have not been utterly consumed.

Matthew 24:35

The heaven and the earth, shall pass away, but, my words, shall, in nowise, pass away.

Romans 11:29

For, not to be regretted, are the gifts and the calling of God: -

James 1:17

Every good giving, and every perfect gift, is, from above, coming down from the Father of lights - with whom is no alternation, nor shadow cast, by 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, Nor a son of Adam, that he should repent, - Hath, he, said, and will not perform? Yea spoken, and will not make it stand fast?
Malachi 3:6
Because, I, Yahweh, have not changed, therefore, ye, the sons of Jacob, have not been utterly consumed.
Matthew 24:35
The heaven and the earth, shall pass away, but, my words, shall, in nowise, pass away.
Romans 11:29
For, not to be regretted, are the gifts and the calling of God: -
James 1:17
Every good giving, and every perfect gift, is, from above, coming down from the Father of lights - with whom is no alternation, nor shadow cast, by turning: