Pastor Mark leads a sermon focused on Luke chapter two, emphasizing the story of Simeon and the concept of waiting and trusting God during the Christmas season. He delves into Simeon's story, highlighting Simeon's God-centered life and the fulfillment of God's promise to him. As an old man, Simeon waited for the Messiah and was rewarded by seeing baby Jesus, whom he recognized as God's salvation. The sermon extends to discuss the dual nature of Christ's coming, both uniting and dividing people, and the importance of maintaining faith and trust in God despite waiting and sorrow, reflecting on personal and communal experiences of faith.