Non-Biblical Examples Used to Illustrate Biblical Truths
Christian teachers have long drawn on non-biblical examples—from nature, daily life, and human experience—to clarify theological truths. This practice mirrors the teaching method of Jesus himself, who used parables drawn from agriculture, commerce, and household management to illuminate the kingdom of God. The parable, as a literary form, is "literally a placing beside, a comparison, a similitude, an illustration of one subject by another" [1]. Scripture itself employs this technique broadly, applying the term to proverbs, prophetic utterances, enigmatic maxims, and expanded metaphors [1]. The question is not whether such illustrations are legitimate, but how they function and what constraints govern their use.
The Biblical Precedent for Analogy
Paul's letters demonstrate the apostolic use of natural phenomena to illustrate spiritual realities. In 1 Corinthians 15, he argues for the resurrection body by pointing to celestial and terrestrial bodies: "one glory of the sun... another... of the moon" [6]. The analogy does not prove different degrees of glory among the blessed, but rather establishes that "as the various fountains of light, which is so similar in its aspect and properties, differ... so there is nothing unreasonable in the doctrine that our present bodies differ from our resurrection bodies, though still continuing bodies" [6]. The natural order provides a conceptual bridge to the supernatural.
Similarly, Paul describes his own teaching method as "comparing spiritual things with spiritual—expounding the Spirit-inspired Old Testament Scripture, by comparison with the Gospel which Jesus by the same Spirit revealed" [8]. This principle of comparison operates both within Scripture (Old Testament types illuminating New Testament fulfillment) and between Scripture and the created order. The legitimacy of the latter rests on the doctrine of general revelation: the created world bears witness to its Creator, making it a suitable source of analogies for divine truth.
The Function of Illustration in Theological Discourse
Non-biblical examples serve several distinct functions in Christian teaching. First, they make abstract doctrines concrete. A theological proposition about divine attributes or the mechanics of salvation may remain opaque until anchored in a familiar image. Second, they aid memory. A vivid illustration lodges in the mind more firmly than a bare statement of doctrine. Third, they can expose logical relationships. When James writes, "suppose one were to say to a naked brother, 'Be warmed,' without giving him needful clothing" [3], the absurdity of the hypothetical scenario clarifies the absurdity of claiming faith without works.
Yet illustrations also carry risks. Calvin, discussing attempts to locate the image of God in the tripartite structure of the human soul (memory, understanding, will), acknowledges "there is something in man which refers to the Father and the Son, and the Spirit," but insists that "a definition of the image of God ought to rest on a firmer basis than such subtleties" [2]. The analogy, however elegant, cannot bear the full weight of doctrinal definition. It may illuminate, but it must not replace exegesis.
Constraints on the Use of Extra-Biblical Analogies
The primary constraint is scriptural authority. An illustration may clarify what Scripture teaches, but it cannot establish what Scripture does not teach. When commentators identify parallels between Joseph and Christ—"Joseph in prison represents Christ in the custody of the Jews; the chief butler and the chief baker represent the two thieves" [7]—they engage in typological reading that, while devotionally suggestive, must be distinguished from the explicit typology Scripture itself establishes (as with Adam and Christ in Romans 5). The difference lies in whether the analogy is drawn by the biblical author or imposed by the interpreter.
A second constraint is theological coherence. Illustrations must not smuggle in heterodox implications. The Hebrews commentary warns against being "carried aside" by "strange doctrines" [4], a caution that applies to the examples used to explain doctrine as much as to the doctrines themselves. An illustration that suggests God's relationship to time is like a human watching a parade from a height, for instance, may inadvertently imply spatial location or temporal succession in the divine nature—attributes orthodox theology denies.
Third, cultural context matters. Isaiah warns the exiled Jews not to be "led away to wicked imitation" by the "basest examples of idolatry" they witnessed in Babylon [5]. The examples a teacher chooses shape the imagination of the hearer. An illustration drawn from a morally neutral domain (astronomy, botany) differs from one that evokes a practice laden with pagan associations. The teacher must consider not only whether the analogy is logically apt, but whether it carries unwanted connotations.
The Pedagogical Necessity and Theological Humility
Despite these constraints, the use of non-biblical examples remains pedagogically necessary. Human cognition operates by analogy; we grasp the unfamiliar by relating it to the familiar. The incarnation itself is God's supreme analogy, the invisible made visible, the Word made flesh. All subsequent theological language participates in this analogical structure. We speak of God as Father, King, Shepherd—images drawn from human experience, yet authorized by Scripture's own usage.
The key is humility about the limits of analogy. Every comparison limps. The sun differs from the moon, but neither sun nor moon is a person; the analogy to resurrection bodies holds only at the level of differentiation within similarity, not at the level of ontology [6]. When James uses the example of the naked brother, he illustrates the principle that faith without works is dead, but the illustration does not exhaust the doctrine of justification—a point Paul develops with greater theological precision in Romans and Galatians [9]. The illustration serves the doctrine; the doctrine does not serve the illustration.
The tradition of using non-biblical examples thus reflects both the necessity of human communication and the transcendence of divine truth. We reach for analogies because we must, yet we hold them lightly because they point beyond themselves to realities that exceed all comparison.
Sources
- Smith's Bible Dictionary “Smith's Bible Dictionary: Parable — (The word parable is in Greek parable (parabole) which signifies placing beside or together, a comparison, a parable is therefore literally a placing beside, a comparison, a similitude, an illustration of one subject by another.--McClintock and Strong. As used in the New Testament it had a very wide application, being applied sometimes to the shortest proverbs, (1 Samuel 10:12; 24:13; 2 Chronicles 7:20) sometimes to dark prophetic utterances, (Numbers 23:7,18; 24:3; Ezekiel 20:49) sometimes to enigmatic maxims, (Psalms 78:2; Proverbs 1:6) or metaphors expand”
- CCEL (Reformed) “Calvin, Commentary on Genesis, Vol. 1 (Gen 1-23), section 5.31: and fourteenth books on the Trinity, also the eleventh book of the “City of God.” I acknowledge, indeed, that there is something in man which refers to the Father and the Son, and the Spirit: and I have no difficulty in admitting the above distinction of the faculties of the soul: although the simpler division into two parts, which is more used in Scripture, is better adapted to the sound doctrine of piety; but a definition of the image of God ought to rest on a firmer basis than such subtleties. As for myself, before I define the”
- James (Presbyterian) “Jamieson, Fausset & Brown on James 2:18: "But some one will say": so the Greek. This verse continues the argument from Jam 2:14, Jam 2:16. One may say he has faith though he have not works. Suppose one were to say to a naked brother, "Be warmed," without giving him needful clothing. "But someone (entertaining views of the need of faith having works joined to it) will say (in opposition to the 'say' of the professor)." show me thy faith without thy works--if thou canst; but thou canst not SHOW, that is, manifest or evidence thy alleged (Jam 2:14, "say") faith without works. "Show" does not me”
- Hebrews (Presbyterian) “Jamieson, Fausset & Brown on Hebrews 13:9: about--rather, as oldest manuscripts read, "carried aside"; namely, compare Eph 4:14. divers--differing from the one faith in the one and the same Jesus Christ, as taught by them who had the rule over you (Heb 13:7). strange--foreign to the truth. doctrines--"teachings." established with grace; not with meats--not with observances of Jewish distinctions between clean and unclean meats, to which ascetic Judaizers added in Christian times the rejection of some meats, and the use of others: noticed also by Paul in Co1 8:8, Co1 8:13; Co1 6:13; Rom”
- CCEL (Reformed) “Calvin, Commentary on Isaiah, Vol. 3, section 8.32: we easily fall into it when any example is placed before our eyes. In consequence of mixing with the Babylonians during their captivity, the Jews were constrained to behold daily the basest examples of idolatry, and might be led away to wicked imitation. Isaiah therefore anticipates this at an early period, and warns them not to be carried away by the sight of such things. He asks, “Have they not been taught, and have they not learned who is God?” The greater part of commentators think that all the questions here put are a repetition of the s”
- 1 Corinthians (Presbyterian) “Jamieson, Fausset & Brown on 1 Corinthians 15:41: one glory of . . . sun . . . another . . . of . . . moon--The analogy is not to prove different degrees of glory among the blessed (whether this may be, or not, indirectly hinted at), but this: As the various fountains of light, which is so similar in its aspect and properties, differ (the sun from the moon, and the moon from the stars; and even one star from another star, though all seem so much alike); so there is nothing unreasonable in the doctrine that our present bodies differ from our resurrection bodies, though still continuing bodies. ”
- Genesis (Methodist/Wesleyan) “Adam Clarke on Genesis 40:23: Yet did not the chief butler remember Joseph - Had he mentioned the circumstance to Pharaoh, there is no doubt that Joseph's case would have been examined into, and he would in consequence have been restored to his liberty; but, owing to the ingratitude of the chief butler, he was left two years longer in prison. Many commentators have seen in every circumstance in the history of Joseph a parallel between him and our blessed Lord. So, "Joseph in prison represents Christ in the custody of the Jews; the chief butler and the chief baker represent the two thieves whic”
- 1 Corinthians (Presbyterian) “Jamieson, Fausset & Brown on 1 Corinthians 2:13: also--We not only know by the Holy Ghost, but we also speak the "things freely given to us of God" (Co1 2:12). which the Holy Ghost teacheth--The old manuscripts read "the Spirit" simply, without "Holy." comparing spiritual things with spiritual--expounding the Spirit-inspired Old Testament Scripture, by comparison with the Gospel which Jesus by the same Spirit revealed [GROTIUS]; and conversely illustrating the Gospel mysteries by comparing them with the Old Testament types [CHRYSOSTOM]. So the Greek word is translated, "comparing" (Co2 10:”
- James (Presbyterian) “Jamieson, Fausset & Brown on James 2:14: James here, passing from the particular case of "mercy" or "love" violated by "respect of persons," notwithstanding profession of the "faith of our Lord Jesus" (Jam 2:1), combats the Jewish tendency (transplanted into their Christianity) to substitute a lifeless, inoperative acquaintance with the letter of the law, for change of heart to practical holiness, as if justification could be thereby attained (Rom 2:3, Rom 2:13, Rom 2:23). It seems hardly likely but that James had seen Paul's Epistles, considering that he uses the same phrases and examples (co”