Genesis 42:15

42:15 You will be tested in this way: As surely as Pharaoh lives, ¹  you will not depart from this place unless your youngest brother comes here.

Genesis 42:20

42:20 But you must bring ²  your youngest brother to me. Then ³  your words will be verified ⁴  and you will not die.” They did as he said. ⁵ 

[42:15]  ¹ tn Heb “[By] the life of Pharaoh.”

[42:20]  ² tn The imperfect here has an injunctive force.

[42:20]  ³ tn After the injunctive imperfect, this imperfect with vav indicates purpose or result.

[42:20]  ⁴ tn The Niphal form of the verb has the sense of “to be faithful; to be sure; to be reliable.” Joseph will test his brothers to see if their words are true.

[42:20]  ⁵ tn Heb “and they did so.”