F.B. Meyer emphasizes the vital role of Christians as 'savorless salt' in society, illustrating how Jesus used everyday experiences to convey profound truths. He encourages believers to recognize their potential to combat societal decay, much like salt preserves food from corruption. Meyer warns against losing one's 'savor' through inconsistency or secret sin, which renders one ineffective in influencing others positively. He highlights the importance of being genuine and filled with the Holy Spirit to truly impact the world around us. Ultimately, Meyer calls for a life of purity and strength, urging Christians to maintain their distinctiveness in a decaying society.