John G. Lake preaches about the significance of the Baptism of the Holy Ghost, emphasizing its importance as the greatest event in Christian history, surpassing even the Crucifixion, Resurrection, Ascension, and glorification of Jesus. He highlights how the Baptism of the Holy Ghost was the ultimate fulfillment of Jesus' earthly ministry, bringing a universal ministry of Jesus to every man through the Spirit. Lake stresses the need for a reverent approach to the Baptism of the Holy Ghost, comparing it to Moses' encounter with God at the burning bush and emphasizing the sacredness of this experience.

St. Seraphim of Sarov emphasizes the importance of acquiring the grace of the Holy Spirit through practicing all virtues for Christ's sake, not just prayer. He compares spiritual trading with earthly trading, encouraging believers to invest in virtues that bring the greatest profit in God's eternal bank. St. Seraphim highlights the need to do good deeds with reverence and understanding, focusing on the quality rather than the quantity of our actions to receive abundant gifts of the Holy Spirit.

G.H. Lang delves into the history of the Brethren and the modern Movement associated with speaking in tongues, aiming to provide a comprehensive and accurate account. He shares little-known facts and reflections on the Movement, highlighting the importance of understanding its origins and development. Lang emphasizes the need to approach the subject with an open mind, presenting various sources and personal experiences to shed light on the Movement's evolution. Despite acknowledging the legitimacy of speaking in tongues, he raises concerns about certain practices and manifestations within the Movement, urging believers to discern between the genuine work of the Spirit and potential deceptions.