Like an artist sketching in broad strokes on a huge canvas, Paul in the first 11 chapters of Romans has traced with great intensity God’s patience and persistence at making peace with humanity. The strokes get broader, the colors ever more vivid, until Paul is himself overcome at what he sees.
Peter often reminds us of our humanity: that’s his gift to us. Perhaps it was also a gift to Jesus. Jesus must have been tempted by what Peter said to him. Jesus certainly would have preferred not to have to talk about suffering and death. We honor the humanity of Jesus to say that he was tempted by Peter’s words. Perhaps Peter is naming something like fear within Jesus and bringing it to light. It scares Jesus, and he responds forcefully. “Get behind me, Satan!”