Here are 4 Bible verses about God returning from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Hebrews 7:21 KJV
(For those priests were made without an oath; but this with an oath by him that said unto him, The Lord sware and will not repent, Thou art a priest for ever after the order of Melchisedec:)
Psalms 110:4 KJV
The LORD hath sworn, and will not repent, Thou art a priest for ever after the order of Melchizedek.
Jeremiah 4:28 KJV
For this shall the earth mourn, and the heavens above be black: because I have spoken it, I have purposed it, and will not repent, neither will I turn back from it.
Jeremiah 32:41 KJV
Yea, I will rejoice over them to do them good, and I will plant them in this land assuredly with my whole heart and with my whole soul.