Genesis 39:20

Quest. Why did he not kill him, the crime being capital, and he having so undoubted a power in his hand to do it? Answ. It is probable he was a little moderated by Joseph's apology, which doubtless he made for himself, though it be not here recorded.

2. This is to be ascribed to the good providence of God, which restrains the waves of the sea, and the passions of men, and sets them their bounds which they shall not pass, which watched over Joseph in a peculiar manner. The king's prisoners; traitors, or great offenders against the king, whose prison doubtless was none of the easiest and therefore it is called a dungeon, Genesis 40:15, Genesis 41:14; and he endured great hardship in it. See Psalms 105:18.