Ryle discusses the family of God, which consists of all true believers, both those currently in heaven (the church triumphant) and those on earth (the church militant). He explains that though presently separated, all Christians are united as God's children through faith in Christ. The family will ultimately be brought together in heaven, where they will be perfected and eternally provided for. Ryle urges readers to consider whether they belong to this family, and if so, to honor it through their conduct and by commending it to others.