This article contains an exposition of the fourfold function of preaching that the apostle Paul gives in 2 Timothy 3:16, 17.

How can you know the true church of Christ? True preaching of the gospel, pure administration of sacraments, and exercise of church discipline are the marks of the true church. This article explains them and shows how they apply in church life.

Preaching of the Word and the pure administration of the sacraments are among the marks of the true church. Why? This article answers this question.

The spiritual health of the church is maintained through discipline. This article explains why church discipline is important and why is it the mark of the true church.

According to Lord’s Day 31, the kingdom of heaven is opened and shut by the keys of the kingdom, namely the preaching of the Word and church discipline. The proclamation of the gospel in itself has a disciplinary element, (general discipline). Besides the message of salvation, the LORD has also instituted measures for the specific discipline of members who stray from God's Word (particular discipline).

While grace points us to God's work of recovering the sinner, "means of grace" refers to the channel God uses to effect that grace. This channel is the church, through preaching and sacraments.

This article looks at Article 29 of the Belgic Confession. It discusses the nature of the church and the marks of the true church. It draws implications for the church today.

This article shows that the marks of the church and the marks of Christians should not be separated; they are interwoven together.

With the availability of so many Reformed churches, is it still possible to apply the Belgic Confession Article 29 in speaking about the true and false church? Looking at the three marks of the true church, this article shows that Article 29 is applicable even today, both to mark the true church and guide Christians in choosing the right church as they seek to obey the command of Christ.

This article looks at the conclusion of the Canons of Dort, and how the Reformed churches always asked that they be judged by their Confessions.

This article is about the calling of each believer to join a true church of Christ.

This article shows how healthy church membership and true profession of Christ can be kept through the marks of the true church: pure preaching, administration of sacraments, and exercising of church discipline.

What makes for a true church and what makes for a false church? This article shows that when the church affirms the gospel it is a true church, and when it denies the gospel it is a false church. This article explains what this gospel is.