9 But you are a chosen generation, a royal priesthood, a holy nation, His own special people, that you may proclaim the praises of Him who called you out of darkness into His marvelous light; 10 who once were not a people but are now the people of God, who had not obtained mercy but now have obtained mercy. (1 Peter 2:9–10, NKJV)
If the incentives for proclaiming the praises God of verse 9 are not enough, Peter now expands upon our spiritual condition before we answered God’s call to salvation. By doing so he gives crucial insight into our priestly service unto God. In the darkness of sin we were without faith and hope. Aliens and strangers to God, we were not God’s people. As we lived under the dark forces of Satan our allegiance was only to the god of this age (2 Corinthians 4:4; Colossians 1:13). But now, people of faith are the people of God who have been given heavenly citizenship (Philippians 3:20). Likewise, we were without mercy under the rule of Satan as we were held in the merciless bondage of sin (John 8:34). But now we have received mercy from God in Christ (Ephesians 2:4-5). Because we are the recipients of God’s compassionate forgiveness we are compelled to proclaim His matchless grace to others. Once aliens, we are now citizens. Once oppressed, we are now forgiven. The grace of God we have in Christ demands we proclaim His excellence and serve Him faithfully (Titus 2:11-12). May we keep our charge with diligent faith.