T. Austin-Sparks emphasizes the profound significance of the gospel as the 'gospel of the glory of the satisfied God,' highlighting that God's nature must be satisfied for the good news to be proclaimed. He explains that the glorification of Jesus is central to understanding God's satisfaction and the establishment of the Church, which embodies this glory. The sermon delves into the implications of Pentecost, asserting that the Holy Spirit's coming signifies God's fulfillment of righteousness and the establishment of a new dispensation. Sparks encourages believers to recognize their identity in Christ and the importance of living in the reality of God's satisfaction, which empowers their testimony and service. Ultimately, he calls for a deeper understanding of the gospel that transcends mere doctrinal knowledge, urging believers to embody the glory of God in their lives.