Parallel
Hebrews 3:12
Nestle 1904 Greek New Testament · Berean Standard Bible
Βλέπετε ἀδελφοί μή‿ ποτε ἔσται ἔν τινι ὑμῶν καρδία πονηρὰ ἀπιστίας ἐν τῷ ἀποστῆναι ἀπὸ Θεοῦ ζῶντος
See to it, brothers, that none of you has a wicked heart of unbelief that turns away from the living God.