What does the Bible say about spiritual love among believers?

In 1 Thessalonians 5:26, the Apostle Paul exhorts the Thessalonian church to greet one another with a holy kiss, indicating the importance of spiritual love among believers. This love transcends cultural and national boundaries, signifying the unity found in Christ. As members of the family of God, this spiritual affection fosters harmony and strengthens the communal bond that aligns with the teachings of Scripture. This spiritual love is crucial for the church, encouraging believers to support and uplift one another in their faith journeys.