Romans 11:29
"For the gifts and calling of God are without repentance."
Cross References (ranked by relevance)
(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:)
God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?
For I am the LORD, I change not; therefore ye sons of Jacob are not consumed.
And we know that all things work together for good to them that love God, to them who are the called according to his purpose.
I will ransom them from the power of the grave; I will redeem them from death: O death, I will be thy plagues; O grave, I will be thy destruction: repentance shall be hid from mine eyes.