This sermon explores the theme of obedience as a central aspect of both the first and second Advent of Christ. It emphasizes that obedience is not merely a duty but a delight that stems from love for God. The sermon highlights how the obedience of various biblical figures during the first Advent led to their encountering Christ, and draws parallels to how believers today should prepare for Christ's second coming through obedient living empowered by the Holy Spirit.