Therefore we ought to give the more earnest heed to the things which we have heard, lest at any time we should let [them] slip.
Διὰ τοῦτο δεῖ περισσοτέρως ἡμᾶς προσέχειν τοῖς ἀκουσθεῖσι, μήποτε παραρρυῶμεν.