Genesis 42:15-16 ▼

15 by this you are proved: [as] Pharaoh lives, if you go out from this—except by your young brother coming here;

16 send one of you, and let him bring your brother, and you, remain bound, and let your words be proved, whether truth be with you: and if not, [as] Pharaoh lives, surely you [are] spies”;