The Lord commanded that we cooperate, preserve harmony, and align our public worship services for the upbuilding of His church.-1. We cooperate with the use of our spiritual gifts for upbuilding the church. -v.26-33--2. We preserve harmony in the church. -v.34-35--3. We align worship with God's Word and with God's other churches. -v.36-40--What is edifying to the church---What builds us up in faith, stir us to act, and cheer us-- Acts 2-42-What ministries are helpful to us as believers-- Is. 66-2-Test- is this constructive for God's people-- Jn 8-31 - 1 Jn 4-6