1 Corinthians 1:8

8whoὃςalsoκαὶwill sustainβεβαιώσειyouὑμᾶςto [the]ἕωςendτέλουςblamelessἀνεγκλήτουςinἐνtheτῇdayἡμέρᾳof theτοῦLordκυρίουof usἡμῶνJesusἸησοῦChristΧριστοῦ.

who also will confirm you⁺ until the end, blameless in the day of our Lord Jesus Christ.