Parallel
1 Corinthians 1:9
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Πιστὸς ὁ θεός, δι’ οὗ ἐκλήθητε εἰς κοινωνίαν τοῦ υἱοῦ αὐτοῦ Ἰησοῦ χριστοῦ τοῦ κυρίου ἡμῶν.
God, who has called you into fellowship with His Son Jesus Christ our Lord, is faithful.