William Gadsby expounds on the spiritual significance of Zion as the true church of Christ, emphasizing its divine selection and the solemnities that characterize it. He describes Zion as a city chosen by God, where believers are brought by the Holy Spirit, and highlights the importance of faith in entering this city. Gadsby illustrates the trials faced by true citizens of Zion, who are called to live in union with Christ, and the profound blessings that come from being part of this spiritual community. He concludes by reflecting on the solemn acts of God throughout history that affirm the church's sacredness and the believer's hope in Christ.