Genesis 42:20

17 and he removeth them unto charge three days.

18 And Joseph saith unto them on the third day, `This do and live; God I fear!

19 if ye [are] right men, let one of your brethren be bound in the house of your ward, and ye, go, carry in corn [for] the famine of your houses,

20 and your young brother ye bring unto me, and your words are established, and ye die not;` and they do so.

21 And they say one unto another, `Verily we [are] guilty concerning our brother, because we saw the distress of his soul, in his making supplication unto us, and we did not hearken: therefore hath this distress come upon us.`

22 And Reuben answereth them, saying, `Spake I not unto you, saying, Sin not against the lad? and ye hearkened not; and his blood also, lo, it is required.`

23 And they have not known that Joseph understandeth, for the interpreter [is] between them;