Peter had already spoken about “elect” persons coming to faith “according to the foreknowledge of God the Father” (1 Peter 1:1–2). In the present verse Peter hints at election’s corollary—reprobation—without providing much detail on the intricacies of this doctrine. What is clear is that Peter’s unbelieving compatriots stumbled over the news they heard of Jesus’ resurrection. Their stumbling was their own responsibility in that they chose to disobey the word preached to them. Their stumbling/disobedience was no surprise to God; on the contrary this was within his determination. The term translated as “destined” is in Greek the same word as appears in 1 Peter 2:6 as “laying.” As God set a stone in Zion he also set before people an opportunity to stumble.
8 and “A stone of stumbling, and a rock of offense.”They stumble because they disobey the word, as they were destined to do.