Genesis 42:15
King James Version
“Hereby ye shall be proved: By the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.”
Context
12And he said unto them, Nay, but to see the nakedness of the land ye are come.
13And they said, Thy servants twelve brethren, the sons of one man in the land of Canaan; and, behold, the youngest this day with our father, and one not.
14And Joseph said unto them, That that I spake unto you, saying, Ye spies:
15Hereby ye shall be proved: By the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.
16Send one of you, and let him fetch your brother, and ye shall be kept in prison, that your words may be proved, whether truth in you: or else by the life of Pharaoh surely ye spies.
17And he put them all together into ward three days.
18And Joseph said unto them the third day, This do, and live; I fear God: