Theological Byproduct of Knowledge in Scripture
Scripture consistently presents knowledge not as an end in itself but as inseparable from moral and spiritual transformation. The biblical concept of knowledge—particularly knowledge of God—produces holiness, obedience, and worship as its natural consequences. This stands in sharp contrast to purely intellectual or speculative knowledge, which the biblical writers regard as incomplete or even dangerous when divorced from its proper effects.
Knowledge as Relational and Transformative
The Hebrew and Greek terms for knowledge in Scripture carry covenantal and experiential weight. To "know" God is not merely to possess information about him but to stand in relationship with him, which necessarily transforms the knower. Jeremiah's prophecy of the new covenant declares that "all shall know Him from the least unto the greatest" [5], linking knowledge directly to covenant participation. This explains why Scripture treats wisdom and piety as synonymous: "Throughout the Scriptures wisdom is piety, the wise are the good; folly is sin, and the foolish are the wicked" [5]. The dissociation of moral character from knowledge is "repugnant to the philosophy of the Bible" [5].
The Necessity of Revealed Knowledge
Aquinas argues that beyond philosophical knowledge built up by human reason, "it was necessary for man's salvation that there should be a knowledge revealed by God" [1], precisely because humanity is directed toward an end that "surpasses the grasp of his reason" [1]. This revealed knowledge comes through Scripture, which Charles Hodge identifies as the obvious source of divine knowledge: "The sun is not more obviously the source of light, than the Bible is the source of divine knowledge" [2]. Without this written revelation, experience demonstrates that people remain "ignorant of divine things,—without God, without Christ, and without hope in the world" [2].
Spiritual Illumination as Byproduct
Regeneration produces what Reformed theology calls "spiritual illumination"—new apprehension of God, Christ, sin, and holiness [6]. This is not additional content beyond Scripture but a transformed capacity to perceive what Scripture reveals. Clement of Alexandria writes that "he who has believed the Word knows the matter to be true; for the Word is truth" [4], indicating that faith itself is the foundation enabling true knowledge. The spiritual person perceives divine truth as "solid food," while the carnal receive it only as "a milk-draught" [3], yet both receive the same revelation.
The biblical pattern thus makes knowledge instrumental rather than terminal—a means by which God conforms believers to his character and purposes.
Sources
- theology (Catholic (Scholastic)) “Aquinas, Summa Theologica, First Part (Prima Pars), The Nature and Extent of Sacred Doctrine, Art. 1: Article: Whether, besides philosophy, any further doctrine is required? I answer that, It was necessary for man's salvation that there should be a knowledge revealed by God besides philosophical science built up by human reason. Firstly, indeed, because man is directed to God, as to an end that surpasses the grasp of his reason: "The eye hath not seen, O God, besides Thee, what things Thou hast prepared for them that wait for Thee" (Is. 66:4). But the end must first be known by men who are to ”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 1, section 30: known to them. Contrary to the Facts of Experience . 3. The doctrine in question is no less contrary to fact than it is to Scripture. The doctrine teaches that by the inward revelation of the Spirit saving knowledge of truth and duty is given to every man. But all experience shows that without the written Word, men everywhere and in all ages, are ignorant of divine things, — without God, without Christ, and without hope in the world. The sun is not more obviously the source of light, than the Bible is the source of divine knowledge. The a”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 7: Augustine — Homilies on John — CHAPTER XVI. 12, 33 (continuea). (part 2): to the Jews a stumbling-block, and to the Gentiles foolishness; and to those who are called, both Jews and Greeks, the power of God, and the wisdom of God;"(1) but to the carnal, as babes who held it only as a matter of faith, and to the spiritual, as those of greater capacity, who perceived it as a matter of understanding; to the former, therefore, as a milk-draught, to the latter as solid food: not that the former knew it in one way out in the world at large, and the latter in another way in their secret c”
- Schaff ANF/NPNF (Patristic) “ANF Vol 2: Hermas, Tatian, Theophilus, Athenagoras, Clement of Alexandria — CHAP. IV.--FAITH THE FOUNDATION OF ALL KNOWLEDGE. (part 1): But we, who have heard by the Scriptures that self-determining choice and refusal have been given by the Lord to men, rest in the infallible criterion of faith, manifesting a willing spirit, since we have chosen life and believe God through His voice. And he who has believed the Word knows the matter to be true; for the Word is 350 truth. But he who has disbelieved Him that speaks, has disbelieved God. "By faith we understand that the worlds were framed by the”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 2, section 51: predicted by saying, “All shall know Him from the least unto the greatest.” Throughout the Scriptures wisdom is piety, the wise are the good; folly is sin, and the foolish are the wicked. Nothing can be more repugnant to the philosophy of the Bible than the dissociation of moral character from knowledge; and nothing can be more at variance with our own consciousness. We know that every affection in a rational creature includes an exercise of the cognitive faculties; and every exercise of our cognitive faculties, in relation to moral and r”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 3, section 6: that we should desire Him; to another He is the chief among ten thousand and the one altogether lovely; “God manifest in the flesh,” whom it is impossible not to adore, love, and obey. This new life, therefore, manifests itself in new views of God, of Christ, of sin, of holiness, of the world, of the gospel, and of the life to come; in short, of all those truths which God has revealed as necessary to salvation. This spiritual illumination is so important and so necessary and such an immediate effect of regeneration, that spiritual knowledg”