1. The document discusses proper traditions and behaviors for worship, including being sensitive to tradition and not letting differences undermine worship. 2. It emphasizes remembering the true meaning of the Lord's Supper by recounting what Jesus did and said during the first communion, which was to proclaim his death. 3. The writer warns that taking communion in an unworthy manner can make one guilty of disrespecting Jesus' body and blood, and that examining oneself is important before taking communion.