Hebrews 13:9

9By teachingsδιδαχαῖςvariousποικίλαιςandκαὶstrangeξέναιςnotμὴbe carried awayπαραφέρεσθε·[it is] goodκαλὸνforγὰρby graceχάριτιto be strengthenedβεβαιοῦσθαιfor theτὴνheartκαρδίαν,notοὐfoodsβρώμασιν,inἐνwhichοἷςnotοὐκwere profitedὠφελήθησανthoseοἱbeing devotedπεριπατοῦντες.

Do not be carried along [by] various and strange teachings; for [it is] good [for] the heart to be confirmed by grace, not by foods, in which those walking were not profited.