Sinclair B. Ferguson, Maturity: Growing Up and Going on in the Christian Life (Edinburgh: The Banner of Truth Trust, 2019), 231 pp.

In a style that Christians have grown fond of, Sinclair Ferguson gifts the church with Maturity: Growing Up and Going on in the Christian Life. Originally penned in 1980 and distributed with the title, Add to Your Faith, and in 1981 as Taking the Christian Life Seriously in the United States. Referring to this short work as a treasure would be an understatement as Dr. Ferguson presents the high points of the Christian life.

The high points are outlined in five sections, namely, growing up, standing firm, facing difficulties, pressing on, and maturity. At the heart of Ferguson’s work is the Pauline mandate for Christ-followers to be mature in Christ: “Him we proclaim, warning everyone and teaching everyone with all wisdom, that we may present everyone mature in Christ.” (Col. 1:28). Ferguson adds, “The mature Christian has been finely shaped by the Holy Spirit and has been ‘filled out’ in a character which showed the fruit of the Spirit. Mature Christians possess the qualities which only Jesus Christ can produce, because he alone has exhibited them perfectly. This is maturity.” As such, we are not only “bound to the example of Christ”, writes Ferguson; “we are under the lordship of Christ.”

Each of the five sections assumes that readers desire to grow in Christian maturity. With the divine standard in place, the author carefully explains how maturity develops throughout the course of our lives. The various themes that emerge in these sections are deeply biblical and profoundly practical. Christians at all stages of maturity will benefit from Ferguson’s sound exegesis and practical application.

Maturity: Growing Up and Going on in the Christian Life truly lives up to its calling and invites readers to press and continue the sanctification process that was initiated at the point of conversion.