The sermon focuses on Hebrews 2, emphasizing the importance of paying attention to the message of salvation through Jesus Christ. The central theme of Hebrews is that a genuine believer's endurance in the Christian faith is directly connected to how clearly they see who Jesus is and what He has done. The sermon highlights the first warning in Hebrews, urging believers to heed the confirmed message to avoid drifting away. The speaker uses the analogy of drifting in a boat to illustrate how easy it is to drift spiritually if we are not actively engaged with God's Word. The sermon also discusses the urgency, severity, and magnificence of the salvation message, emphasizing that neglecting it can lead to spiritual disaster. The message of salvation is great because it was declared by Jesus, confirmed by the apostles, and attested by God through signs and wonders. The sermon concludes with a call to examine our hearts, guard against neglect, share the message, and rely on the Holy Spirit.