G. Campbell Morgan emphasizes the multifaceted character of the Holy Spirit as described by Christ, highlighting the term 'Comforter' or 'Paraclete' which signifies both companionship and active intercession. The Spirit is portrayed as one who alleviates feelings of orphanage and desolation, embodying love and support for believers. Additionally, the Spirit is characterized as the 'Spirit of truth,' revealing and teaching the essence of truth, and as the 'Spirit of holiness,' guiding moral conduct. Morgan underscores the Spirit's role in advocating for believers and illuminating their understanding of God's truth. Ultimately, the sermon presents the Holy Spirit as a vital presence that continues the work of Christ in the lives of His followers.