Hebrews 6:16

For men swear by what is greater than themselves, and an oath as confirmation is the end of all their controversy

Other versions

King James Version

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

English Standard Version

For people swear by something greater than themselves, and in all their disputes an oath is final for confirmation.

New International Version

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