Michael's message is about avoiding favoritism and showing partiality based on appearance. He uses the book of James to illustrate authentic faith and the need for our actions to align with our beliefs. He emphasizes that true faith is seen through how we treat others and highlights the importance of loving our neighbors as ourselves. Michael urges believers to take their sin seriously and extend mercy to others, reminding them that judgment is without mercy for those who show no mercy. Overall, the sermon encourages self-reflection and a commitment to living out our faith.