Parallel
Hebrews 6:16
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Ἄνθρωποι μὲν γὰρ κατὰ τοῦ μείζονος ὀμνύουσιν, καὶ πάσης αὐτοῖς ἀντιλογίας πέρας εἰς βεβαίωσιν ὁ ὅρκος.
Men swear by someone greater than themselves, and their oath serves as a confirmation to end all argument.