When Jacob saw— That is, was informed, had heard, as it is in the second verse. See Acts 7:12. He said, why do ye look one upon another? a phrase expressing great distress, and ignorance of the means of relief.
Related Commentaries of Genesis 42:1
Genesis 42:1
1 Now when Jacob saw that there was corn in Egypt, Jacob said unto his sons, Why do ye look one upon another?