1 Samuel 12:22
20 Then Samuel said to the people, “Don’t be afraid. You have indeed sinned. However, don’t turn aside from the Lord. Serve the Lord with all your heart. 21 You should not turn aside after empty things that can’t profit and can’t deliver, since they are empty. 22 The Lord will not abandon his people because he wants to uphold his great reputation. The Lord was pleased to make you his own people. 23 As far as I am concerned, far be it from me to sin against the Lord by ceasing to pray for you! I will instruct you in the way that is good and upright. 24 However, fear the Lord and serve him faithfully with all your heart. Just look at the great things he has done for you!
Psalm 94:14
12 How blessed is the one whom you instruct, O Lord, the one whom you teach from your law 13 in order to protect him from times of trouble, until the wicked are destroyed. 14 Certainly the Lord does not forsake his people; he does not abandon the nation that belongs to him. 15 For justice will prevail, and all the morally upright will be vindicated. 16 Who will rise up to defend me against the wicked? Who will stand up for me against the evildoers?
Notes and References
"... has God therefore rejected them? (The verb for “casting off” in 11:1–2 applies to Israel in the common Greek translation: e.g., Judges 6:13; Psalms 44:9, 23; 60:1, 10; 74:1; 108:11, including with the title of “God’s people” as here ... 1 Samuel 12:22; Psalm 94:14). By exile, he did temporarily cast them off: 2 Kings 17:20; 21:14; 23:27; Jeremiah 7:29; Hosea 4:6; 9:17) Paul is adamant that God has not; his own faith as a Jewish believer is itself a testimony ..."
Keener, Craig S. Romans: A New Covenant Commentary (p. 114) The Lutterworth Press, 2009