Parallel
Philippians 1:6
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
πεποιθὼς αὐτὸ τοῦτο, ὅτι ὁ ἐναρξάμενος ἐν ὑμῖν ἔργον ἀγαθὸν ἐπιτελέσει ἄχρι ἡμέρας χριστοῦ Ἰησοῦ·
being confident of this, that He who began a good work in you will carry it on to completion until the day of Christ Jesus.