- Baptizing in water “for the remission of sins.” (Acts 2:38)
- Teaching sinners are not saved by “works” of merit (Ephesians 2:8-9), but rather by works of humble obedience (Luke 17:10; Matthew 7:21; James 2:24)
- Observing the Lord’s supper on the first day of every week (Acts 20:7)
- Using one loaf of unleavened bread as a symbol of the Lord’s one body (1 Corinthians 10:16-17)
- Using one cup as a symbol of the one new covenant the Lord made with His people (1 Corinthians 11:25)
- Using unfermented grape juice as a symbol of His shed blood (Matthew 26:27-28)
- Singing without instrumental accompaniment (Ephesians 5:19)
- Having one man teach at a time (1 Corinthians 14:34-35)
- Promoting the new covenant as the final authority in religious matters (Colossians 2:14; Hebrews 9:15-17)
- Promoting membership in the church as essential to salvation (Acts 20:28; Ephesians 5:23; Acts 2:41, 47)
- Promoting Jesus as the only head of the church (Ephesians 1:22-23; 4:4; John 10:16)
- Promoting unity as achievable only when Christians submit to the authority of the New Testament Scriptures (John 17:17-21; 2 Timothy 3:16-17)