New Defender's Study Bible Notes
1:20 foreordained. “Foreordained” (Greek proginosko) is the verb form of the noun (prognosis) better translated as “foreknowledge” in I Peter 1:2. Just as God foreknew that Christ would become the Savior, because the triune God had so ordained, so He also foreknew those who would be saved by Him.
1:20 foundation of the world. Before God ever created the world, in the mind of God, Christ had been sacrificed, and the names of the redeemed were known (see Ephesians 1:4; Revelation 13:8; 17:8; II Timothy 1:9).