Parallel
Hebrews 5:14
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Τελείων δέ ἐστιν ἡ στερεὰ τροφή, τῶν διὰ τὴν ἕξιν τὰ αἰσθητήρια γεγυμνασμένα ἐχόντων πρὸς διάκρισιν καλοῦ τε καὶ κακοῦ.
But solid food is for the mature, who by constant use have trained their senses to distinguish good from evil.