1:1 apostle. The word means “messenger” and served as an official title for Paul and the 12 disciples (including Matthias, Acts 1:26), who were eyewitnesses of the resurrected Jesus and were chosen by God to lay the foundation for the church by preaching, teaching, and writing Scripture, accompanied by miracles (cf. 2 Cor. 12:12). See note on 4:11. saints … faithful. Designates those whom God has set apart from sin to Himself, made holy through their faith in Jesus Christ. 1:2 Grace to you and peace.