Romans 11:29
For God never regrets his gifts or his Call.
Romans 8:28
But we do know that God causes all things to work together for the good of those who love him-those who have received the Call in accordance with his purpose.
Hebrews 7:21
but his appointment was ratified by an oath, when God said to him-- 'The Lord has sworn, and will not change, "Thou art a priest for all time."'
Treasury of Scripture Knowledge did not add