Cross reference
Romans 11:29
29 Because God's selection and his mercies may not be changed.
Romans 8:28
28 And we are conscious that all things are working together for good to those who have love for God, and have been marked out by his purpose.
Numbers 23:19
19 God is not a man, to say what is false; or the son of man, that his purpose may be changed: what he has said, will he not do? and will he not give effect to the words of his mouth?
Hebrews 7:21
21 (For those were made priests without an oath, but this one was made a priest with an oath by him who says of him, The Lord gave his oath, which he will not take back, that you are a priest for ever);
Malachi 3:6
6 For I am the Lord, I am unchanged; and so you, O sons of Jacob, have not been cut off.
Hosea 13:14
14 I will give the price to make them free from the power of the underworld, I will be their saviour from death: O death! where are your pains? O underworld! where is your destruction? my eyes will have no pity.