Hebrews 10:23

23We should hold fastκατέχωμενto theτὴνconfessionὁμολογίανof [our]τῆςhopeἐλπίδοςfirmlyἀκλινῆ,faithfulπιστὸςfor [is]γὰρthe [One]ὁhaving promisedἐπαγγειλάμενος·

We should hold fast to the confession of [our] hope, unwavering; for the One having promised [is] faithful.