Systematic Theology (Volume 3 of 3)

In Short

This third volume of Augustus Hopkins Strong’s monumental Systematic Theology presents a comprehensive defense of reformed Baptist doctrine, focusing on Soteriology (the doctrine of salvation), Ecclesiology (the doctrine of the church), and Eschatology (the doctrine of final things). Strong systematically unfolds the application of Christ’s redemption through the Holy Spirit, tracing the soul’s journey through divine election, effectual calling, regeneration, conversion, justification, sanctification, and final perseverance. Turning to the church, he argues for a democratic, congregational polity with two offices—pastor and deacon—and two ordinances, baptism by immersion and the Lord’s Supper, reserved for regenerate believers. Finally, he outlines the resurrection, judgment, eternal life, and everlasting punishment. Enduring as a landmark work of American evangelical theology, the book seamlessly integrates classical Calvinism, rigorous biblical exegesis, historical creedal commentary, and philosophical engagement, offering a structured, intellectually robust defense of personal faith, local church independence, and the absolute sovereignty of God.

The Story

The theological arc of this volume begins in the eternal counsel of God and moves steadily toward the final consummation of all things. Strong opens his soteriological investigation with the foundational doctrine of election. Before the creation of the world, God chose a people for Himself out of pure grace. Strong confronts common objections to this doctrine directly, rejecting the idea that election leads to human immorality or spiritual pride. Instead, he demonstrates that divine sovereign choice operates in perfect harmony with human agency; God ordains the end of salvation only in conjunction with the necessary means of personal repentance, faith, and sanctification.

From eternal election, the work proceeds to the temporal application of redemption, initiated by the Holy Spirit. God issues a general call to all humanity, but through an irresistible, special call, He effectively draws the elect to Himself. This leads to the believer’s vital, organic union with Christ—a union that does not erase human personality or absorb the individual into the divine essence, as extreme mystics claim, but rather frees and enlivens the human spirit. Within this union, regeneration takes place: a instantaneous, secret act of God in which the Holy Spirit changes the governing disposition of the heart from self-love to divine love.

This divine work of regeneration manifests immediately in human experience as conversion, which consists of the two inseparable elements of repentance and faith. Sorrow for sin and trust in Jesus Christ act and react upon one another. Strong carefully defines justification, emphasizing its forensic, legal nature. Justification is not a subjective making-holy of the individual, nor is it a recognition of human merit; it is God’s judicial declaration counting the believer righteous solely on the basis of Christ’s objective, substitutionary atonement.

The divine life, once imparted and legally declared, must progress. Strong details the process of sanctification, wherein the indwelling Spirit of Christ gradually subdues remaining sin and builds holy habits within the believer. Contrary to perfectionist or antinomian errors, sanctification is an ongoing, lifelong conflict requiring energetic human effort fueled by divine grace. This personal salvation is kept secure through the perseverance of the saints. The truly regenerate will never totally fall away, because God’s eternal love and preserving power guarantee their ultimate triumph, using scriptural warnings and personal vigilance as the very means to keep them safe.

Having established the interior life of the redeemed individual, Strong shifts his focus to Ecclesiology, examining the visible manifestation of the kingdom of God on earth. He defines the local church as a divine institution yet a voluntary society, strictly composed of regenerate believers who have publicly confessed their faith. Strong defends congregational or democratic church polity against episcopal or hierarchical models. He asserts that local churches are self-governing bodies under the direct headship of Christ, recognizing only two biblically mandated offices: the bishop (also termed presbyter or pastor) and the deacon.

Strong proceeds to analyze the two structural ordinances given to the church: Baptism and the Lord’s Supper. He maintains that baptism, by its biblical definition and symbolic nature, must be administered exclusively by total immersion to regenerate believers upon their profession of faith. It symbolizes the believer’s union with Christ in His death, burial, and resurrection. Because the order of symbols must reflect the order of spiritual realities—regeneration preceding ongoing spiritual nourishment—baptism is a necessary prerequisite to participation in the Lord’s Supper. The Supper itself is a memorial feast of broken bread and poured-out wine, signifying the church’s continuous dependence on the crucified and risen Lord.

The volume concludes with Eschatology, tracing the ultimate destiny of both the individual and the created order. At physical death, the human soul enters an intermediate state, remaining conscious while awaiting the final resurrection. Strong defends the literal, physical resurrection of the dead against spiritualizing theories, maintaining a true physical continuity between the mortal body laid in the grave and the glorified resurrection body. Christ will return personally and visibly, leading to the final judgment of all humanity. Heaven is revealed not as a state of idle rest, but as a real place of active, holy communion with God, abundant service, and perfected fellowship. Conversely, Strong affirms the sober biblical teaching regarding the eternal, conscious punishment of the wicked, grounding its necessity in God’s absolute holiness and the terrible reality of unrepented sin.

How It Unfolds

The purpose established in eternity God elects a people to salvation by an act of sovereign grace before the foundation of the world, setting His unchanging love upon them despite knowing their total unworthiness. This choice does not bypass human responsibility, but ordains salvation specifically through the means of repentance, faith, and holy living.

The soul united to its Savior The Holy Spirit executes God’s decree by secretly regenerating the dead heart, imparting a new holy disposition that turns self-directed affections toward God. This divine act brings the soul into a vital, personal union with Christ that strengthens human personality rather than destroying it.

The sinner declared righteous In response to the Spirit’s work, the sinner exercises genuine repentance and faith, which leads directly to justification. God legally counts the believer righteous, pardoning sin and assigning legal rewards solely on the ground of Christ’s objective atonement on the cross.

The ongoing growth in holiness Regeneration and justification give birth to sanctification, an ongoing, lifelong process carried out by the indwelling Spirit. The believer forms holy habits, battles remaining sin, and preserves unto final victory through the empowering assurance of God’s abiding promise.

The assembly of the redeemed Believers join together to form local, visible churches, defined as democratic and voluntary societies of regenerate individuals. Christ governs these churches directly, establishing just two church offices—pastors and deacons—to lead and serve the congregation.

The symbols of new life and ongoing communion The church maintains its visible identity through the proper observance of two ordinances: baptism by full immersion as the initial sign of spiritual rebirth, followed by the Lord’s Supper as the ongoing memorial of Christ’s sustaining sacrifice.

The final triumph and everlasting judgment History culminates in the physical resurrection of the body, the personal return of Jesus Christ, and the final judgment. The righteous enter into an active, eternal state of fellowship and service in heaven, while those who reject God face eternal, conscious separation in hell.

The People

The Elect Believer The central figure throughout the application of redemption is the individual believer, who begins in a state of spiritual deadness, guilt, and total helplessness under the law. Desiring salvation and reconciliation with God, the believer is hindered by an inherent sinful disposition, spiritual pride, and an inability to self-generate righteousness. Through the sovereign work of the Holy Spirit, the believer receives a new heart, exercises faith and repentance, and is judicially declared righteous in Christ. Over a lifetime of sanctification, the believer grows in personal holiness, relies on the anchor of God’s electing love, and ultimately enters glorified, eternal life.

The Local Church Organized as a voluntary, democratic society of regenerate souls, the local church seeks to fulfill Christ’s commission on earth and maintain pure spiritual fellowship. It faces constant threats from hierarchical overreach, sacramental perversions, laxity in discipline, and unbiblical views of polity. By adhering strictly to New Testament patterns, the local church governs itself independently under Christ, appoints biblically qualified pastors and deacons, and preserves the proper symbolic order of baptism and the Lord’s Supper.

The Christian Minister (Bishop/Presbyter/Pastor) Called by God and set apart by the local church, the pastor seeks to shepherd the congregation, faithfully preach the Word, and defend sound doctrine. The minister’s effectiveness is tested by the temptation to preach self-righteousness, rely on mere human persuasion, or exercise illegitimate hierarchical authority over God’s flock. Following an examination by an advisory council and ordination by the church, the pastor serves as an executive leader, feeding upon God's truth until it becomes personal conviction, and guiding the church in voluntary obedience to Christ.

The False Teacher and the Mystic Appearing in various forms throughout church history, these figures represent erroneous pathways that derail true biblical faith. Mystics seek an essential union with God that dangerously erases human personality and borders on pantheism, while legalists and perfectionists attempt to replace Christ’s objective atonement with self-righteous moralism or sacramental ritualism. Undermined by their own theological exaggerations, their errors serve as crucial foils, prompting the defense of a balanced, experiential, and scripturally grounded theology.

In Its Own Voice

"The indwelling of Christ only puts the believer more completely in possession of himself, and makes him more conscious of his own personality and power."

Strong lays down this vital boundary line while evaluating mystical theories of salvation, insisting that divine grace elevates and preserves individual human identity rather than absorbing or erasing it.

"The objective atonement for sin must come before the subjective purification of our natures. And justification is upon the ground of that objective atonement, and not upon the ground of the subjective cleansing."

In clarifying the legal nature of justification, the text sharply separates the finished work of Christ for the sinner from the ongoing internal work of the Spirit within the sinner.

"The ordinance which symbolizes regeneration, or the impartation of new life, must precede the ordinance which symbolizes the strengthening and perfecting of the life already begun."

Here Strong articulates the core logical and symbolic argument for restricted communion, insisting that spiritual birth must always precede spiritual nourishment.

What It's Really About

At its core, this work addresses the profound tension between divine sovereignty and human agency. Strong argues that God’s absolute, pre-temporal control over salvation does not reduce human beings to mere passive automatons or excuse moral lethargy. Instead, divine election establishes the exact framework within which human will, genuine repentance, energetic conflict with sin, and active church governance take place. Salvation is shown to be entirely of grace in its origination, entirely objective in its legal ground, and thoroughly personal and ethical in its outworking.

Another central theme is the vital necessity of maintaining correct biblical forms to preserve spiritual realities. Strong consistently demonstrates that theological errors regarding church polity, baptism, or justification are not harmless variations in taste; they actively obscure the gospel message itself. Treating baptism as a means of regeneration or making church communion independent of baptism corrupts the symbolic order ordained by Christ, teaching the world that one can be spiritually sustained without first being spiritually born.

Finally, the book asserts the eternal value of individual human personality. Whether combating mystical theories of pantheistic absorption, materialist denials of the soul's immortality, or mechanical views of church authority, Strong insists that God redeems human beings as distinct, conscious, and responsible individuals. True religion works through human personality, restoring it to its proper relationship with its Creator, sustaining it through physical death, and glorifying it in a literal resurrection.

Why Read It Today

Modern readers interested in historical theology, ecclesiological history, or classic Protestant dogmatics will find this volume uniquely rewarding. It provides an exceptionally clear, meticulously organized window into late nineteenth- and early twentieth-century American Baptist thought. Strong writes with remarkable analytical clarity, offering a masterclass in how to construct a comprehensive theological system that weaves together detailed biblical exegesis, historical creeds, pastoral application, and engagement with secular literature and philosophy.

Reading the text requires navigating certain stylistic and contextual hurdles. As a formal treatise written for seminary instruction, it presents a dense, multi-layered structure filled with fine-print bibliographies, Greek and Latin terminology, and extensive references to forgotten nineteenth-century theological debates. The writing assumes a high degree of familiarity with biblical languages and classical philosophy. Furthermore, modern readers may find its strict, uncompromising defense of closed communion and exclusive believer's baptism by immersion to be highly polemical, reflecting the sharp denominational boundaries of its era.

What stays with the reader, however, is the remarkable breath of Strong's intellectual vision and the warmth of his convictions. Unlike dry, purely scholastic manuals, this work vibrates with deep devotional conviction. Strong quotes poets like Browning, Whittier, and Tennyson alongside theologians like Augustine, Luther, Calvin, and Edwards, proving that rigorous dogmatic precision need not come at the expense of literary beauty or spiritual warmth. It stands as a monument to an era when theology was pursued as both an exacting science and a heart-stirring art.

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