What does the Bible say about murmuring in the church?

In Philippians 2:14-15, the Apostle Paul urges the church to refrain from murmuring and disputes. He stresses that these behaviors can lead to division within the body of Christ. Murmuring is described as a subtle form of discontent that arises among believers, often manifesting in secret discussions that can stir division. The call to unity is vital as Paul's message reflects that maintaining a harmonious relationship within the church body is essential for its health and mission. Therefore, he encourages believers to keep their focus on Christ, avoiding attitudes that can breed strife among fellow believers.