For reflection/discussion: How do you think most people define greatness? How do you define greatness? What do you think prompted the disciples to ask Jesus the question they did? If you had never heard this story before, would Jesus' answer have surprised you? Why or why not? What do children have to teach us about what it means to be one of God's "little ones"?
For reflection/discussion: What are some of the ways that a Christian can cause a fellow believer to stumble or sin? In what ways are false beliefs dangerous to the family of God? How might Jesus' warning in Matthew 18.6 challenge the belief that tolerance is the greatest virtue?
For reflection/discussion: When you were growing up, how did you learn to deal with conflict in your family? How has this affected how you deal with conflict as an adult? What process does Jesus lay out as a means of dealing with conflict and sin in the family of God? Are there any parts the process that make you uncomfortable? Why? What are the consequences of not addressing or trying to ignore serious sin in the life of the church?
For reflection/discussion: Why does Peter raise the question of how often we should forgive? In what ways, if any, do you struggle with accepting forgiveness, extending forgiveness to others, or both? Is there someone you haven't yet forgiven? How does Jesus' parable of the unforgiving servant address your situation?