Genesis 42:9

He remembered the dreams, but they had forgot them. The laying up of God's oracles in our hearts will be of excellent use to us in all our conduct. Joseph had an eye to his dreams, which he knew to be divine, in his carriage towards his brethren, and aimed at the accomplishment of them, and the bringing his brethren to repentance; and both those points were gained. He shewed himself harsh with them: the very manner of his speaking, considering the post he was in, was enough to frighten them, for he spake roughly to them — He charged them with ill designs against the government, treated them as dangerous persons, ye are spies, protesting by the life of Pharaoh that they were so. Some make that an oath, others make it no more but a vehement asseveration; however, it was more than yea, yea, and nay, nay, and therefore came of evil. They hereupon were very submissive; they spoke to him with all respect; nay, my lord. They modestly deny the charge, we are no spies; they tell him their business, they came to buy food, they give a particular account of themselves and their family, Genesis 42:13, and that was it he wanted. He clapt them all up in prison three days. He concluded with them at last, that one of them should be left as a hostage, and the rest should go home and fetch Benjamin. It was a very encouraging word he said, I fear God; q.d. You may assure yourselves, I will do you no wrong, I dare not, for I know that as high as I am, there is one higher than I. With those that fear God we have reason to expect fair dealing: the fear of God will be a check upon those that are in power, to restrain them from abusing their power to oppression and tyranny: