Interlinear view shows the original Hebrew/Greek text with word-by-word translation (KJV).
1
Πᾶς all ὁ the/this/who πιστεύων trust ὅτι that/since Ἰησοῦς Jesus/Joshua ἐστιν be ὁ the/this/who Χριστὸς Christ ἐκ out from τοῦ the/this/who θεοῦ God γεγέννηται, beget καὶ and πᾶς all ὁ the/this/who ἀγαπῶν love τὸν the/this/who γεννήσαντα beget ἀγαπᾷ love καὶ and τὸν the/this/who γεγεννημένον beget ἐξ out from αὐτοῦ. he/she/it/self
2
ἐν in/on/among τούτῳ this/he/she/it γινώσκομεν know ὅτι that/since ἀγαπῶμεν love τὰ the/this/who τέκνα child τοῦ the/this/who θεοῦ,