Philippians 1:10

εἰς τὸ δοκιμάζειν ὑμᾶς τὰ διαφέροντα, ἵνα ἦτε εἰλικρινεῖς καὶ ἀπρόσκοποι εἰς ἡμέραν Χριστοῦ,

eis to dokimazein ymas ta diapheronta, ina ēte eilikrineis kai aproskopoi eis ēmeran Christoy,

King James Version (KJV)

That ye may approve things that are excellent; that ye may be sincere and without offence till the day of Christ;

Modern English

so that you may be able to discern what is best and may be pure and blameless for the day of Christ,