Hebrews 13 gathers the book’s major themes into practical direction: love, hospitality, sexual integrity, contentment, honouring leaders, sacrificial praise, and life together under the New Covenant. The closing benediction roots all of it in the God of peace, who equips His people for every good work.

Paul’s teaching on the Christian household in Colossians 3:18–4:1 shows how the gospel reshapes the most ordinary and revealing parts of life. Mark walks through these verses by lifting them out of the cultural assumptions around authority and control and grounding them instead in Christ’s character—humility, sacrifice, and mutual honour. The session highlights how biblical submission is never about inferiority or passivity but about choosing, for the Lord’s sake, to trust God’s design rather than our own instincts. At the same time, husbands, parents, and leaders are called to embody Christlike gentleness and responsibility, refusing harshness, fear, or misuse of power. Together, these instructions offer a picture of a home and workplace ordered not by domination but by the transforming presence of Jesus—where every role becomes an act of worship and every relationship a place where the gospel takes root.