Nature of Saving Faith and Assurance in Christianity
Saving faith is understood as the mind's persuasion that a statement is true, fundamentally involving trust [1]. This trust is not merely passive assent but an active, working reality that manifests itself through deeds [7]. The concept of faith is rooted in knowledge, with some biblical texts even using "knowledge" as an equivalent term for faith, though faith also includes an act of assent [1].
Assurance, in a Christian context, refers to a profound conviction of the truth of biblical declarations, leading to unwavering certainty and joyful steadfastness [2]. It is produced by faith and made full by hope, and further confirmed by love [3]. The resurrection of Jesus serves as God's pledge that His revelation is true and worthy of acceptance, providing this assurance [2]. This "full assurance of faith" (Hebrews 10:22) is a complete faith in God that leaves no room for doubt [2].
The steadfastness of believers is secured by the power and presence of God, trust in Him, and the intercession of Christ [5]. This steadfastness should be evident in cleaving to God, engaging in the Lord's work, adhering to apostolic doctrine, and holding fast to one's confession [5].
The work of faith is not an "otiose assent" but a "realizing, working faith" [7]. This active faith is central to the believer's life, leading to a righteous way of life brought about by the Holy Spirit's transforming work [8]. Sanctification, which is the process of carrying to perfection the work begun in regeneration, extends to the entire person and is specifically the Holy Spirit's role [4]. This process involves more than just moral reformation; it brings the whole nature under the influence of new, gracious principles [4].
Believers are "guarded through faith unto a salvation ready to be revealed in the last time" (1 Peter 1:5 ASV) [6]. This guarding ensures that just as salvation is reserved for them, they are also preserved to receive it [9]. The assurance of salvation encompasses various aspects, including the assurance of election, redemption, adoption, eternal life, God's unalienable love, and union with God and Christ [3].
Sources
- Easton's Bible Dictionary “Easton's Bible Dictionary: Faith — Faith is in general the persuasion of the mind that a certain statement is true (Phil. 1:27; 2 Thess. 2:13). Its primary idea is trust. A thing is true, and therefore worthy of trust. It admits of many degrees up to full assurance of faith, in accordance with the evidence on which it rests. Faith is the result of teaching (Rom. 10:14-17). Knowledge is an essential element in all faith, and is sometimes spoken of as an equivalent to faith (John 10:38; 1 John 2:3). Yet the two are distinguished in this respect, that faith includes in it assent, which is an act ”
- Easton's Bible Dictionary “Easton's Bible Dictionary: Assurance — The resurrection of Jesus (Acts 17:31) is the "assurance" (Gr. pistis, generally rendered "faith") or pledge God has given that his revelation is true and worthy of acceptance. The "full assurance [Gr. plerophoria, full bearing'] of faith" (Heb. 10:22) is a fulness of faith in God which leaves no room for doubt. The "full assurance of understanding" (Col. 2:2) is an entire unwavering conviction of the truth of the declarations of Scripture, a joyful steadfastness on the part of any one of conviction that he has grasped the very truth. The "full assurance ”
- Torrey's Topical Textbook “Torrey's Topical Textbook: Assurance — Produced by faith -- Eph 3:12; 2Ti 1:12; Heb 10:22. Made full by hope -- Heb 6:11,19. Confirmed by love -- 1Jo 3:14,19; 4:18. Is the effect of righteousness -- Isa 32:17. Is abundant in the understanding of the gospel -- Col 2:2; 1Th 1:5. Saints privileged to have, of Their election. -- Ps 4:3; 1Th 1:4. Their redemption. -- Job 19:25. Their adoption. -- Ro 8:16; 1Jo 3:2. Their salvation. -- Isa 12:2. Eternal life. -- 1Jo 5:13. The unalienable love of God. -- Ro 8:38,39. Union with God and Christ. -- 1Co 6:15; 2Co 13:5; Eph 5:30; 1Jo 2:5; 4:13. Peace with ”
- Easton's Bible Dictionary “Easton's Bible Dictionary: Sanctification — Involves more than a mere moral reformation of character, brought about by the power of the truth: it is the work of the Holy Spirit bringing the whole nature more and more under the influences of the new gracious principles implanted in the soul in regeneration. In other words, sanctification is the carrying on to perfection the work begun in regeneration, and it extends to the whole man (Rom. 6:13; 2 Cor. 4:6; Col. 3:10; 1 John 4:7; 1 Cor. 6:19). It is the special office of the Holy Spirit in the plan of redemption to carry on this work (1 Cor. 6:1”
- Torrey's Topical Textbook “Torrey's Topical Textbook: Steadfastness — Exhibited by God in all his purposes and ways -- Nu 23:19; Da 6:26; Jas 1:17. Commanded -- Php 4:1; 2Th 2:15; Jas 1:6-8. Godliness necessary to -- Job 11:13-15. Secured by The power of God. -- Ps 55:22; 62:2; 1Pe 1:5; Jude 1:24. The presence of God. -- Ps 16:8. Trust in God. -- Ps 26:1. The intercession of Christ. -- Lu 22:31,32. A characteristic of saints -- Job 17:9; Joh 8:31. Should be manifested In cleaving to God. -- De 10:20; Ac 11:23. In the work of the Lord. -- 1Co 15:58. In continuing in the Apostles' doctrine. -- Ac 2:42. In holding fast our”
- I Peter “I Peter 1:5 (ASV) — who by the power of God are guarded through faith unto a salvation ready to be revealed in the last time.”
- 1 Thessalonians (Presbyterian) “Jamieson, Fausset & Brown on 1 Thessalonians 1:3: work of faith--the working reality of your faith; its alacrity in receiving the truth, and in evincing itself by its fruits. Not an otiose assent; but a realizing, working faith; not "in word only," but in one continuous chain of "work" (singular, not plural, works), Th1 1:5-10; Jam 2:22. So "the work of faith" in Th2 1:11 implies its perfect development (compare Jam 1:4). The other governing substantives similarly mark respectively the characteristic manifestation of the grace which follows each in the genitive. Faith, love, and hope, are the ”
- Ephesians (Protestant academic) “Tyndale House on Ephesians 6:14: 6:14-17 Paul uses the physical armor worn by Roman soldiers as imagery for spiritual armor used by believers. Most of this equipment is to defend, not to attack. Paul’s focus is not on the precise functions of each piece but on God’s gifts. Grounding in Christ and Scripture provides protection and ability to stand your ground (cp. Jas 4:7; 1 Pet 5:8-9). 6:14 God’s righteousness: Either the righteousness God credits to those who believe in Christ, or the righteous way of life brought about by the transforming work of the Spirit of God in believers’ lives. The on”
- 1 Peter (Presbyterian) “Jamieson, Fausset & Brown on 1 Peter 1:5: kept--Greek, "who are being guarded." He answers the objection, Of what use is it that salvation is "reserved" for us in heaven, as in a calm secure haven, when we are tossed in the world as on a troubled sea in the midst of a thousand wrecks? [CALVIN]. As the inheritance is "kept" (Pe1 1:4) safely for the far distant "heirs," so must they be "guarded" in their persons so as to be sure of reaching it. Neither shall it be wanting to them, nor they to it. "We are guarded in the world as our inheritance is kept in heaven." This defines the "you" of Pe1 1:”