DAY 271 CHALLENGE “Peter can’t be the rock in Matthew 16:18 because Scripture says God is the rock (Isa. 51:1). Further, Peter describes Jesus as a stone (1 Pet. 2:4–8). Therefore, Jesus must be the rock.” DEFENSE This challenge does not understand the way metaphors work. Although Isaiah does refer to God as “the rock from which you were hewn,” there is nothing about this passage indicating that only God can be described as a rock. If only God could be described as a rock then Jesus could not have given Simon bar-Jonah the nickname Cephas/Peter/Rock (John 1:42; Matt. 16:18). The fact...