Why is the message to the church of Sardis relevant today?

The letter to the church of Sardis in Revelation 3 provides a critical message that resonates with Christians today. Though Sardis appeared alive, the Lord called out its spiritual deadness. This serves as a warning to modern churches and individuals against becoming complacent in faith, urging them to examine their spiritual health regularly. The scriptural admonitions to 'be watchful' and to 'strengthen the things which remain' remind believers of the importance of maintaining a vibrant relationship with Christ and being active witnesses in a world often indifferent to spiritual matters. The lessons from Sardis encourage believers to be diligent in their pursuit of holiness and genuine faith, which are essential for a truly living church.