Hebrews 6:16

Ἄνθρωποι μὲν γὰρ κατὰ τοῦ μείζονος ὀμνύουσιν, καὶ πάσης αὐτοῖς ἀντιλογίας πέρας εἰς βεβαίωσιν ὁ ὅρκος.

Anthrōpoi men gar kata toy meizonos omnyoysin, kai pasēs aytois antilogias peras eis bebaiōsin o orkos.

King James Version (KJV)

For men verily swear by the greater: and an oath for confirmation is to them an end of all strife.

Modern English

People swear by someone greater than themselves, and the oath confirms what is said and puts an end to all argument.