Our Duty of Evangelism By Douglas MacMillan

This sermon transcript, delivered by Rev. Donald MacMillan during a visit to Australia (likely at a conference), expounds on 1 Thessalonians 1:5-7 to present biblical evangelism as the church's core duty, empowered by the Holy Spirit. MacMillan emphasizes that the gospel—defined as God's good news centered on Christ crucified—comes not merely in words but with divine power, producing genuine conversions and new life in believers. He urges local churches to prioritize evangelism through prayer, planning, home outreach, and practical initiatives like coffee mornings or community events, critiquing para-church organizations and sharing examples of Reformed churches in the UK (e.g., Pontefract and Cardiff) that grew dramatically through faithful witness. The message concludes with a call to recognize God's elect among the lost and warns that churches must evangelize or fossilize.