1 John 4:2

BIB(i) 2 Ἐν (By) τούτῳ (this) γινώσκετε (you know) τὸ (the) Πνεῦμα (Spirit) τοῦ (-) Θεοῦ (of God): πᾶν (Every) πνεῦμα (spirit) ὃ (that) ὁμολογεῖ (confesses) Ἰησοῦν (Jesus) Χριστὸν (Christ) ἐν (in) σαρκὶ (the flesh) ἐληλυθότα (having come), ἐκ (of) τοῦ (-) Θεοῦ (God) ἐστιν (is);