Parallel
Romans 9:16
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Ἄρα οὖν οὐ τοῦ θέλοντος, οὐδὲ τοῦ τρέχοντος, ἀλλὰ τοῦ ἐλεοῦντος θεοῦ.
So then, it does not depend on man’s desire or effort, but on God’s mercy.