Extrabiblical Sources in Christian Theology and Their Reception
Christian theology primarily derives its doctrines from the Bible, yet it also engages with sources external to the biblical canon. These extrabiblical sources can include philosophical traditions, historical accounts, and even other religious or cultural ideas, which are received and interpreted through a theological lens.
The Apostle Paul, for instance, acknowledges a form of natural revelation, stating that God's "invisible things... since the creation of the world are clearly seen, being understood by the things that are made" [1]. This suggests that the created order itself serves as an "interpreter of our faith in God," making God's attributes discernible to humanity [1]. This concept allows for the consideration of insights from the natural world as a source of understanding about God, albeit secondary to direct revelation.
Early Christian thinkers also engaged with philosophical traditions. John Chrysostom, an influential Eastern Orthodox Church Father, references figures from Greek philosophy such as Democritus, Leucippus, and Epicurus, indicating an awareness and occasional interaction with their ideas within theological discourse [4]. While not endorsing these philosophies as authoritative, their mention suggests that Christian thought has historically been situated within broader intellectual currents. Similarly, Chrysostom's writings show an engagement with the moral character of heathenism, contrasting it with Christian ethics [4].
However, the reception of extrabiblical sources is often accompanied by a critical discernment, particularly when these sources might contradict or dilute core Christian teachings. Paul warns against being "carried aside" by "divers" and "strange doctrines" that are foreign to the truth of Christ [5]. This caution emphasizes that any external teaching must be weighed against the established Christian faith, which is "established with grace" rather than with human observances or novel ideas [5]. The apostle also highlights that there is "but the one" Gospel, implying that any new or different gospel is impossible and should not be accepted [2].
The authority of apostolic teaching, even when not presented as a direct command from the Lord, also serves as a guide. Paul distinguishes between a direct "commandment of the Lord" and his own "judgment," yet asserts that his judgment is given under the "ordinary inspiration which accompanied the apostles in all their canonical writings" [6]. This suggests that while some apostolic pronouncements might not be direct divine commands, they still carry significant theological weight and serve as a standard against which other teachings can be measured.
Miracles and spiritual gifts are also presented as divine attestations to the truth of the Christian message, serving as extrabiblical confirmations of God's activity. God bore witness to the message through "signs and wonders," "divers miracles," and "gifts" of the Holy Spirit, which were granted to the apostles [3]. These events, while not written texts, are historical occurrences that validate the divine origin of the Christian faith.
Sources
- Romans (Presbyterian) “Jamieson, Fausset & Brown on Romans 1:20: For the invisible things of him from--or "since" the creation of the world are clearly seen--the mind brightly beholding what the eye cannot discern. being understood by the things that are made--Thus, the outward creation is not the parent but the interpreter of our faith in God. That faith has its primary sources within our own breast (Rom 1:19); but it becomes an intelligible and articulate conviction only through what we observe around us ("by the things which are made," Rom 1:20). And thus are the inner and the outer revelation of God the comp”
- 2 Corinthians (Presbyterian) “Jamieson, Fausset & Brown on 2 Corinthians 11:4: if, &c.--which in fact is impossible. However, if it were possible, ye might then bear with them (see on Co2 11:1). But there can be no new Gospel; there is but the one which I first preached; therefore it ought not to be "borne" by you, that the false teachers should attempt to supersede me. he that cometh--the high-sounding title assumed by the false teachers, who arrogated Christ's own peculiar title (Greek, Mat 11:3, and Heb 10:37), "He that is coming." Perhaps he was leader of the party which assumed peculiarly to be "Christ's" (Co2 10:7;”
- Hebrews (Presbyterian) “Jamieson, Fausset & Brown on Hebrews 2:4: them--rather, "God also [as well as Christ, Heb 2:3] bearing witness to it," &c., joining in attestation of it." signs and wonders--performed by Christ and His apostles. "Signs" and miracles, or other facts regarded as proofs of a divine mission; "wonders" are miracles viewed as prodigies, causing astonishment (Act 2:22, Act 2:33); "powers" are miracles viewed as evidences of superhuman power. divers miracles--Greek, "varied (miraculous) powers" (Co2 12:12) granted to the apostles after the ascension. gifts, &c.--Greek, "distributions." The gift ”
- CCEL/NPNF (Eastern Orthodox) “John Chrysostom, Homilies on Galatians–Colossians–Thessalonians: moral character of heathenism.”—Meyer.—G.A.] 309 [Compare 1 Kings xviii. 27 , the locus classicus where Elijah uses his scathing irony against the priests of Baal.—G.A.] 310 [See Schaff’s History of the Christian Church , Vol. I., pp. 72–74, with Literature there noted.—G.A.] 311 [On Democritus and Leucippus, founders of the Atomistic philosophy, see Ueberweg’s Hist. of Philosophy (Amer. ed.), Vol. I., pp. 67–71; on Epicurus, Vol. I., pp. 205–207.—G.A.] 312 This was the instance in the Schools. Vid. Sextus Empiricus, Pyrrh. Hypot”
- 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”
- 1 Corinthians (Presbyterian) “Jamieson, Fausset & Brown on 1 Corinthians 7:25: no commandment of the Lord: yet . . . my judgment--I have no express revelation from the Lord commanding it, but I give my judgment (opinion); namely, under the ordinary inspiration which accompanied the apostles in all their canonical writings (compare Co1 7:40; Co1 14:37; Th1 4:15). The Lord inspires me in this case to give you only a recommendation, which you are free to adopt or reject--not a positive command. In the second case (Co1 7:10-11) it was a positive command; for the Lord had already made known His will (Mal 2:14-15; Mat 5:31-32). ”