1 Ἴδετε ποταπὴν ἀγάπην δέδωκεν ἡμῖν ὁ πατὴρ ἵνα τέκνα θεοῦ κληθῶμεν· καὶ ἐσμέν. διὰ τοῦτο ὁ κόσμος οὐ γινώσκει ἡμᾶς ὅτι οὐκ ἔγνω αὐτόν. idete potapēn agapēn dedōken hēmin ho patēr hina tekna theoy klēthōmen· kai esmen. dia toyto ho kosmos oy ginōskei hēmas hoti oyk egnō ayton.

2 Ἀγαπητοί, νῦν τέκνα θεοῦ ἐσμεν, καὶ οὔπω ἐφανερώθη τί ἐσόμεθα. οἴδαμεν ὅτι ἐὰν φανερωθῇ ὅμοιοι αὐτῷ ἐσόμεθα, ὅτι ὀψόμεθα αὐτὸν καθώς ἐστιν. agapētoi, nyn tekna theoy esmen, kai oypō ephanerōthē ti esometha. oidamen hoti ean phanerōthē homoioi aytō esometha, hoti opsometha ayton kathōs estin.

3 καὶ πᾶς ὁ ἔχων τὴν ἐλπίδα ταύτην ἐπ’ αὐτῷ ἁγνίζει ἑαυτὸν καθὼς ἐκεῖνος ἁγνός ἐστιν. kai pas ho echōn tēn elpida taytēn ep’ aytō hagnizei heayton kathōs ekeinos hagnos estin.

4 πᾶς ὁ ποιῶν τὴν ἁμαρτίαν καὶ τὴν ἀνομίαν ποιεῖ, καὶ ἡ ἁμαρτία ἐστὶν ἡ ἀνομία. pas ho poiōn tēn hamartian kai tēn anomian poiei, kai hē hamartia estin hē anomia.

5 καὶ οἴδατε ὅτι ἐκεῖνος ἐφανερώθη ἵνα τὰς ἁμαρτίας ἄρῃ, καὶ ἁμαρτία ἐν αὐτῷ οὐκ ἔστιν. kai oidate hoti ekeinos ephanerōthē hina tas hamartias arē, kai hamartia en aytō oyk estin.

6 πᾶς ὁ ἐν αὐτῷ μένων οὐχ ἁμαρτάνει· πᾶς ὁ ἁμαρτάνων οὐχ ἑώρακεν αὐτὸν οὐδὲ ἔγνωκεν αὐτόν. pas ho en aytō menōn oych hamartanei· pas ho hamartanōn oych heōraken ayton oyde egnōken ayton.

7 Τεκνία, μηδεὶς πλανάτω ὑμᾶς· ὁ ποιῶν τὴν δικαιοσύνην δίκαιός ἐστιν, καθὼς ἐκεῖνος δίκαιός ἐστιν· teknia, mēdeis planatō hymas· ho poiōn tēn dikaiosynēn dikaios estin, kathōs ekeinos dikaios estin·

8 ὁ ποιῶν τὴν ἁμαρτίαν ἐκ τοῦ διαβόλου ἐστίν, ὅτι ἀπ’ ἀρχῆς ὁ διάβολος ἁμαρτάνει. εἰς τοῦτο ἐφανερώθη ὁ υἱὸς τοῦ θεοῦ, ἵνα λύσῃ τὰ ἔργα τοῦ διαβόλου. ho poiōn tēn hamartian ek toy diaboloy estin, hoti ap’ archēs ho diabolos hamartanei. eis toyto ephanerōthē ho yhios toy theoy, hina lysē ta erga toy diaboloy.

9 πᾶς ὁ γεγεννημένος ἐκ τοῦ θεοῦ ἁμαρτίαν οὐ ποιεῖ, ὅτι σπέρμα αὐτοῦ ἐν αὐτῷ μένει· καὶ οὐ δύναται ἁμαρτάνειν, ὅτι ἐκ τοῦ θεοῦ γεγέννηται. pas ho gegennēmenos ek toy theoy hamartian oy poiei, hoti sperma aytoy en aytō menei· kai oy dynatai hamartanein, hoti ek toy theoy gegennētai.

10 ἐν τούτῳ φανερά ἐστιν τὰ τέκνα τοῦ θεοῦ καὶ τὰ τέκνα τοῦ διαβόλου· πᾶς ὁ μὴ ποιῶν δικαιοσύνην οὐκ ἔστιν ἐκ τοῦ θεοῦ, καὶ ὁ μὴ ἀγαπῶν τὸν ἀδελφὸν αὐτοῦ. en toytō phanera estin ta tekna toy theoy kai ta tekna toy diaboloy· pas ho mē poiōn dikaiosynēn oyk estin ek toy theoy, kai ho mē agapōn ton adelphon aytoy.

11 ὅτι αὕτη ἐστὶν ἡ ἀγγελία ἣν ἠκούσατε ἀπ’ ἀρχῆς, ἵνα ἀγαπῶμεν ἀλλήλους· hoti ahytē estin hē aggelia hēn ēkoysate ap’ archēs, hina agapōmen allēloys·

12 οὐ καθὼς Κάϊν ἐκ τοῦ πονηροῦ ἦν καὶ ἔσφαξεν τὸν ἀδελφὸν αὐτοῦ· καὶ χάριν τίνος ἔσφαξεν αὐτόν; ὅτι τὰ ἔργα αὐτοῦ πονηρὰ ἦν, τὰ δὲ τοῦ ἀδελφοῦ αὐτοῦ δίκαια. oy kathōs kain ek toy ponēroy ēn kai esphaxen ton adelphon aytoy· kai charin tinos esphaxen ayton ; hoti ta erga aytoy ponēra ēn, ta de toy adelphoy aytoy dikaia.

13 Καὶ μὴ θαυμάζετε, ἀδελφοί, εἰ μισεῖ ὑμᾶς ὁ κόσμος. kai mē thaymazete, adelphoi, ei misei hymas ho kosmos.

14 ἡμεῖς οἴδαμεν ὅτι μεταβεβήκαμεν ἐκ τοῦ θανάτου εἰς τὴν ζωήν, ὅτι ἀγαπῶμεν τοὺς ἀδελφούς· ὁ μὴ ἀγαπῶν μένει ἐν τῷ θανάτῳ. hēmeis oidamen hoti metabebēkamen ek toy thanatoy eis tēn zōēn, hoti agapōmen toys adelphoys· ho mē agapōn menei en tō thanatō.

15 πᾶς ὁ μισῶν τὸν ἀδελφὸν αὐτοῦ ἀνθρωποκτόνος ἐστίν, καὶ οἴδατε ὅτι πᾶς ἀνθρωποκτόνος οὐκ ἔχει ζωὴν αἰώνιον ἐν ἑαυτῷ μένουσαν. pas ho misōn ton adelphon aytoy anthrōpoktonos estin, kai oidate hoti pas anthrōpoktonos oyk echei zōēn aiōnion en heaytō menoysan.

16 ἐν τούτῳ ἐγνώκαμεν τὴν ἀγάπην, ὅτι ἐκεῖνος ὑπὲρ ὑμῶν τὴν ψυχὴν αὐτοῦ ἔθηκεν· καὶ ἡμεῖς ὀφείλομεν ὑπὲρ τῶν ἀδελφῶν τὰς ψυχὰς θεῖναι. en toytō egnōkamen tēn agapēn, hoti ekeinos hyper hymōn tēn psychēn aytoy ethēken· kai hēmeis opheilomen hyper tōn adelphōn tas psychas theinai.

17 ὃς δ’ ἂν ἔχῃ τὸν βίον τοῦ κόσμου καὶ θεωρῇ τὸν ἀδελφὸν αὐτοῦ χρείαν ἔχοντα καὶ κλείσῃ τὰ σπλάγχνα αὐτοῦ ἀπ’ αὐτοῦ, πῶς ἡ ἀγάπη τοῦ θεοῦ μένει ἐν αὐτῷ; hos d’ an echē ton bion toy kosmoy kai theōrē ton adelphon aytoy chreian echonta kai kleisē ta splagchna aytoy ap’ aytoy, pōs hē agapē toy theoy menei en aytō ;

18 Τεκνία, μὴ ἀγαπῶμεν λόγῳ μηδὲ τῇ γλώσσῃ ἀλλὰ ἐν ἔργῳ καὶ ἀληθείᾳ. teknia, mē agapōmen logō mēde tē glōssē alla en ergō kai alētheia.

19 καὶ ἐν τούτῳ γνωσόμεθα ὅτι ἐκ τῆς ἀληθείας ἐσμέν, καὶ ἔμπροσθεν αὐτοῦ πείσομεν τὰς καρδίας ἡμῶν· kai en toytō gnōsometha hoti ek tēs alētheias esmen, kai emprosthen aytoy peisomen tas kardias hēmōn·

20 ὅτι ἐὰν καταγινώσκῃ ἡμῶν ἡ καρδία, ὅτι μείζων ἐστὶν ὁ θεὸς τῆς καρδίας ἡμῶν καὶ γινώσκει πάντα. hoti ean kataginōskē hēmōn hē kardia, hoti meizōn estin ho theos tēs kardias hēmōn kai ginōskei panta.

21 Ἀγαπητοί, ἐὰν ἡ καρδία ἡμῶν μὴ καταγινώσκῃ ἡμῶν, παρρησίαν ἔχομεν πρὸς τὸν θεόν, agapētoi, ean hē kardia hēmōn mē kataginōskē hēmōn, parrēsian echomen pros ton theon,

22 καὶ ὃ ἐὰν αἰτῶμεν λαμβάνομεν ἀπ’ αὐτοῦ, ὅτι τὰς ἐντολὰς αὐτοῦ τηροῦμεν καὶ τὰ ἀρεστὰ ἐνώπιον αὐτοῦ ποιοῦμεν. kai ho ean aitōmen lambanomen ap’ aytoy, hoti tas entolas aytoy tēroymen kai ta aresta enōpion aytoy poioymen.

23 καὶ αὕτη ἐστὶν ἡ ἐντολὴ αὐτοῦ, ἵνα πιστεύσωμεν τῷ ὀνόματι τοῦ υἱοῦ αὐτοῦ Ἰησοῦ Χριστοῦ καὶ ἀγαπῶμεν ἀλλήλους, καθὼς ἔδωκεν ἐντολὴν ἡμῖν. kai ahytē estin hē entolē aytoy, hina pisteysōmen tō onomati toy yhioy aytoy iēsoy christoy kai agapōmen allēloys, kathōs edōken entolēn hēmin.

24 καὶ ὁ τηρῶν τὰς ἐντολὰς αὐτοῦ ἐν αὐτῷ μένει καὶ αὐτὸς ἐν αὐτῷ· καὶ ἐν τούτῳ γινώσκομεν ὅτι μένει ἐν ἡμῖν, ἐκ τοῦ πνεύματος οὗ ἡμῖν ἔδωκεν. kai ho tērōn tas entolas aytoy en aytō menei kai aytos en aytō· kai en toytō ginōskomen hoti menei en hēmin, ek toy pneymatos ohy hēmin edōken.