Leviticus 15:20

²⁰ καὶ πᾶν ἐφ' ὃ ἂν κοιτάζηται ἐπ' αὐτὸ ἐν τῇ ἀφέδρῳ αὐτῆς ἀκάθαρτον ἔσται καὶ πᾶν ἐφ' ὃ ἂν ἐπικαθίσῃ ἐπ' αὐτό ἀκάθαρτον ἔσται

Por Henry MacLagan

Verse 20. Also every doctrine contaminated by that natural affection is impure; and every confirmed state of that affection by falsity is impure.