Luke 9:37-62. A day after the Transfiguration on the mount Jesus healed a boy with an evil spirit. The disciples argued about who would be the greatest, and as an object lesson Jesus picked up a little child and said: “He who is least among all, he is the greatest“. Jesus spoke to the desciples against sectarianism, and on their way to Jerusalem they met Samaritan opposition. Finally Jesus told the disciples there is a cost of following Him.
2 Samuel 21. David made a deal with the Gibeonites, and during a number of battles, some of the Philistine giants were killed, among them Goliath (not the one you think).