Teach

"Teaching them to observe all that I have commanded you."

The Great Commission does not end when someone believes and is baptized. It continues in the long, patient, faithful work of instruction. The mission is not complete when we make converts. The mission advances when we make disciples, and disciples are formed by teaching.

Notice the scope. "All that I have commanded you." Not selections. Not the easy parts. Not the teachings that suit our cultural moment. All of it. Jesus did not give His church permission to edit His commands. The task is to teach the whole counsel of God and call every disciple to obedience.

Notice the verb. Not "teaching them to know." Teaching them to observe. To keep. To obey. To practice.

Biblical teaching is never merely informational. It is formational. It aims not at the head alone but at the life. A disciple who can recite doctrine but does not obey Christ is not a disciple in the New Testament sense.

Paul described his own ministry this way: "Him we proclaim, warning everyone and teaching everyone with all wisdom, that we may present everyone mature in Christ" (Colossians 1:28).

Maturity in Christ. That is the aim. Not religious knowledge for its own sake. The kind of deep, Christ-centered, Spirit-produced maturity that shows itself in love, in holiness, in endurance, in fruitfulness.

The early church modeled this. Acts 2:42 says the first converts "devoted themselves to the apostles' teaching." Teaching was the first practice listed. The church was a teaching community from the very beginning.

Paul charged Timothy: "What you have heard from me in the presence of many witnesses entrust to faithful men, who will be able to teach others also" (2 Timothy 2:2). A four-generation chain. Paul to Timothy. Timothy to faithful men. Faithful men to others. The mission advances not by one generation's effort but by the faithful transmission of truth from one generation to the next.

When a church stops teaching, the mission stalls. When a generation fails to pass on the faith, the next generation is left without a foundation.

This is why the teaching ministry of the local church is a missions issue. Every Sunday school class, every Bible study, every sermon, every catechism lesson for children, every discipleship group is missionary work. It is the work of forming people who know Christ, obey Christ, and are able to make Him known to others.

The same holds on the mission field. A missionary who leads people to faith but does not stay to teach has not completed the work. Paul planted churches, but he also wrote letters, trained elders, and returned to strengthen what he had planted. Missions is not only proclamation. It is formation.

Hear Moses to Israel: "These words that I command you today shall be on your heart. You shall teach them diligently to your children, and shall talk of them when you sit in your house, and when you walk by the way, and when you lie down, and when you rise" (Deuteronomy 6:6-7).

Teaching the faith is a way of life. It happens in formal settings and informal ones. In the pulpit and at the dinner table. In the classroom and on the sidewalk. The Great Commission calls every believer to be a teacher in this sense. Someone who knows the truth, lives the truth, and passes the truth along.