Parallel
Hebrews 12:8
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Εἰ δὲ χωρίς ἐστε παιδείας, ἧς μέτοχοι γεγόνασιν πάντες, ἄρα νόθοι ἐστὲ καὶ οὐχ υἱοί.
If you do not experience discipline like everyone else, then you are illegitimate children and not true sons.