¹ tc Many important mss (Ì⁷⁵ א¹ B D* W Θ 070 579 1241 pc sy^s sa) lack v. 34a. It is included in א*^,2 (A) C D² L Ψ 0250 Ë^1,(13) 33 Ï lat sy^c,p,h. It also fits a major Lukan theme of forgiving the enemies (6:27-36), and it has a parallel in Stephen’s response in Acts 7:60. The lack of parallels in the other Gospels argues also for inclusion here. On the other hand, the fact of the parallel in Acts 7:60 may well have prompted early scribes to insert the saying in Luke’s Gospel alone. Further, there is the great difficulty of explaining why early and diverse witnesses lack the saying. A decision is difficult, but even those who regard the verse as inauthentic literarily often consider it to be authentic historically. For this reason it has been placed in single brackets in the translation.

⁴ tc A few significant witnesses lack ὑμῶν (Jumwn, “your”) here (Ì^66,75 B L W 070 pc), while the majority have the pronoun (א C D Θ Ψ 0250 Ë^1,13 33 565 892 Ï al lat sy). However, these mss do not agree on the placement of the pronoun: τοῦ πατρὸς ὑμῶν ποιεῖτε (tou patro" Jumwn poieite), τῷ πατρὶ ὑμῶν (tw patri Jumwn), and τῷ πατρὶ ὑμῶν ταῦτα (tw patri Jumwn tauta) all occur. If the pronoun is read, then the devil is in view and the text should be translated as “you are practicing the things you have heard from your father.” If it is not read, then the same Father mentioned in the first part of the verse is in view. In this case, ποιεῖτε should be taken as an imperative: “you [must] practice the things you have heard from the Father.” The omission is decidedly the harder reading, both because the contrast between God and the devil is now delayed until v. 41, and because ποιεῖτε could be read as an indicative, especially since the two clauses are joined by καί (kai, “and”). Thus, the pronoun looks to be a motivated reading. In light of the better external and internal evidence the omission is preferred.

³ tc The witnesses display a bewildering array of variants here. Instead of “the Holy One of God” (ὁ ἅγιος τοῦ θεοῦ, Jo {agio" tou qeou), Tertullian has ὁ Χριστός (Jo Cristo", “the Christ”); C³ Θ* ˹ 33 565 lat read ὁ Χριστὸς ὁ υἱὸς τοῦ θεοῦ (Jo Cristo" Jo Juio" tou qeou, “the Christ, the Son of God”); two versional witnesses (b sy^c) have ὁ υἱὸς τοῦ θεοῦ (“the Son of God”); the Byzantine text as well as many others (Ψ 0250 ˹³ 33 Ï) read ὁ Χριστὸς ὁ υἱὸς τοῦ θεοῦ τοῦ ζῶντος (Jo Cristo" Jo Juio" tou qeou tou zwnto", “the Christ, the Son of the living God”); and Ì⁶⁶ as well as a few versions have ὁ Χριστὸς ὁ ἅγιος τοῦ θεοῦ (“the Christ, the Holy One of God”). The reading ὁ ἅγιος τοῦ θεοῦ is, however, well supported by Ì⁷⁵ א B C* D L W as well as versional witnesses. It appears that Peter’s confession in the Synoptic Gospels (especially Matt 16:16) supplied the motivation for the variations. Although the witnesses in Matt 16:16; Mark 8:29; and Luke 9:20 vary considerably, the readings are all intra-synoptic, that is, they do not pull in “the Holy One of God” but reflect various permutations of “Christ”/“Christ of God”/“Christ, the Son of God”/“Christ, the Son of the living God.” The wording “the Holy One of God” (without “Christ”) in important witnesses here is thus unique among Peter’s confessions, and best explains the rise of the other readings.

³ tc ‡ A difficult textual variant is present at this point in the Greek text. Some mss (Ì^66vid א* B Θ 0250 pc) read the present subjunctive πιστεύητε (pisteuhte) after ἵνα (Jina; thus NEB text, “that you may hold the faith”) while others (א² A C D L W Ψ Ë^1,13 33 Ï) read the aorist subjunctive πιστεύσητε (pisteushte) after ἵνα (cf. NEB margin, “that you may come to believe”). As reflected by the renderings of the NEB text and margin, it is often assumed that the present tense would suggest ongoing belief (i.e., the Fourth Gospel primarily addressed those who already believed, and was intended to strengthen their faith), while the aorist tense would speak of coming to faith (i.e., John’s Gospel was primarily evangelistic in nature). Both textual variants enjoy significant ms support, although the present subjunctive has somewhat superior witnesses on its behalf. On internal grounds it is hard to decide which is more likely the original. Many resolve this issue on the basis of a reconstruction of the overall purpose of the Gospel, viz., whether it is addressed to unbelievers or believers. However, since elsewhere in the Gospel of John (1) the present tense can refer to both initial faith and continuation in the faith and (2) the aorist tense simply refrains from commenting on the issue, it is highly unlikely that the distinction here would be determinative for the purpose of the Fourth Gospel. The question of purpose cannot be resolved by choosing one textual variant over the other in 20:31, but must be decided on other factors. Nevertheless, if a choice has to be made, the present subjunctive is the preferred reading. NA²⁷ puts the aorist’s sigma in brackets, thus representing both readings virtually equally (so TCGNT 220).

⁴ tc Most mss (א A Ψ Ë¹³ 33 Ï) read the future indicative γενήσεσθε (genhsesqe; perhaps best rendered as “[and show that] you will become”), while some early and good witnesses (Ì^66vid B D L Θ 0250 1 565 al) have the aorist subjunctive γένησθε (genhsqe; “[and show that] you are”). The original reading is difficult to determine because the external evidence is fairly evenly divided. On the basis of the external evidence alone the first reading has some credibility because of א and 33, but it is not enough to overthrow the Alexandrian and Western witnesses for the aorist. Some who accept the future indicative see a consecutive (or resultative) sequence between φέρητε (ferhte) in the ἵνα (Jina) clause and γενήσεσθε, so that the disciples’ bearing much fruit results in their becoming disciples. This alleviates the problem of reading a future indicative within a ἵνα clause (a grammatical solecism that is virtually unattested in Attic Greek), although such infrequently occurs in the NT, particularly in the Apocalypse (cf. Gal 2:4; Rev 3:9; 6:4, 11; 8:3; 9:4, 5, 20; 13:12; 14:13; 22:14; even here, however, the Byzantine mss, with א occasionally by their side, almost always change the future indicative to an aorist subjunctive). It seems more likely, however, that the second verb (regardless of whether it is read as aorist or future) is to be understood as coordinate in meaning with the previous verb φέρητε (So M. Zerwick, Biblical Greek §342). Thus the two actions are really one and the same: Bearing fruit and being Jesus’ disciple are not two different actions, but a single action. The first is the outward sign or proof of the second – in bearing fruit the disciples show themselves to be disciples indeed (cf. 15:5). Thus the translation followed here is, “that you bear much fruit and show that you are my disciples.” As far as the textual reading is concerned, it appears somewhat preferable to accept the aorist subjunctive reading (γένησθε) on the basis of better external testimony.