Why did Paul urge the Philippians to be of the same mind?

The Apostle Paul's urging for the Philippians to be of the same mind, found in Philippians 4:2, stems from his concern for the unity of the church. He recognized that divisions, as demonstrated by the conflict between the two sisters, could hinder the progress of the gospel and damage the church's witness. By appealing for unity in mind and purpose, Paul is emphasizing the importance of being grounded in the truths of the Gospel. He encourages them not only to agree on matters of doctrine but also to foster relationships marked by humility and mutual respect, reflecting their shared identity as sinners redeemed by the same grace through Jesus Christ.