Peter teaches that salvation by grace has always been God’s plan, revealed through Old Testament prophets who spoke of a coming Messiah and searched diligently to understand when His suffering and glory would unfold. These prophets—from Isaiah and Jeremiah to David and Daniel—foreshadowed Christ’s sacrificial death, resurrection, and eternal reign, even though they themselves would never see its fulfillment. Their Spirit‑inspired messages pointed ahead to the grace believers now experience, a gift so extraordinary that even angels long to look into it. Peter’s point is that the salvation Christians enjoy today is the very reality the prophets anticipated, the apostles proclaimed, and heaven marvels at, making believers a chosen people entrusted with declaring God’s saving work through Christ.