Romans 11:29 in the King James Version
For the gifts and calling of God are without repentance.
Context
28 Concerning the Good News, they are enemies for your sake. But concerning the election, they are beloved for the fathers’ sake.
29 For the gifts and the calling of God are irrevocable.
30 For as you in time past were disobedient to God, but now have obtained mercy by their disobedience,