Midrasz do Rodzaju 44:25

(Gen. 42:2:) GO DOWN THERE. There is a going down for them. Go down and subdue the land before your children. {(Ibid., cont.:) GO DOWN THERE AND BUY FOR US FROM THERE} [(Gen. 44:25:) RETURN AND BUY US] A LITTLE FOOD. < Go down and subdue the land > before those about whom it is written (in Deut. 7:7:) INDEED YOU ARE THE LEAST OF ALL THE PEOPLES.