Philippians 1:6

6being persuaded ofπεποιθὼς[the] very thingαὐτὸthisτοῦτοthatὅτιthe [One]ὁhaving begunἐναρξάμενοςinἐνyouὑμῖνa workἔργονgoodἀγαθὸνwill complete [it]ἐπιτελέσειuntilἄχρι[the] dayἡμέραςof ChristΧριστοῦJesusἸησοῦ·

being persuaded of this very thing, that the One having begun a good work in you⁺ will complete [it] until the day of Christ Jesus.