Genesis 42:20 in the King James Version
But bring your youngest brother unto me; so shall your words be verified, and ye shall not die. And they did so.
Context
19 If you are honest men, then let one of your brothers be bound in your prison; but you go, carry grain for the famine of your houses.
20 Bring your youngest brother to me; so will your words be verified, and you won’t die.” They did so.
21 They said to one another, “We are certainly guilty concerning our brother, in that we saw the distress of his soul, when he begged us, and we wouldn’t listen. Therefore this distress has come upon us.”