How do we know the importance of edification in the church?

In Romans 15:2, Paul instructs believers to please their neighbors for their good to edification. This highlights the importance of building each other up in faith and love. Edification involves not only teaching but also encouraging, comforting, and serving one another. It mirrors the behavior of Christ, who devoted Himself to the spiritual growth and well-being of others. The collective effort of believers in caring for and edifying one another contributes to a healthy, strong church that effectively reflects Christ's love to the world.