Something so cordial can happen in first introductions when two persons discover that they have a friend in common. In what may be its most memorable form, a big-hearted host welcomes a guest with something like, “So nice to meet you. Any friend of Sam’s, or Samantha’s, is a friend of mine.”

Jesus said something similar. He’d been attracting crowds by healing many. But He’d also been making enemies of local religious leaders by disagreeing with the way they were commercializing the temple and misusing their influence. In the middle of a growing conflict, He made a move to multiply…