1 John 5:2

 Ἐν (by) τούτῳ (this) γινώσκομεν (we know) ὅτι (that) ἀγαπῶμεν (we love) τὰ τέκνα (the children) τοῦ Θεοῦ,(of the God) ὅταν (when) τὸν Θεὸν (the God) ἀγαπῶμεν, (we love) καὶ (and) τὰς ἐντολὰς (the commandments ) αὐτοῦ (of Him) τηρῶμεν. (we observe)


Translation: By this we know that we love the children of God when we love and observe the commandments of God.

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οὗτος houtos

we knowg1097

γινώσκω ginōskō

that we loveg25

ἀγαπάω agapaō

the childreng5043

τέκνον teknon

of God,g2316

θεός theos

when g3752

ὅταν hotan

we loveg25

ἀγαπάω agapaō

God g2316

θεός theos

and observeg4160

ποιέω poieō

His commandments.g1785