When God called Moses to the top of Mount Sinai, tablets of stone with commandments were given to him that he might teach the people. The Children of Israel saw the glory of God as a devouring fire on top of the mountain. Moses was in the midst of the cloud for forty days receiving new direction for the people of God. When the word of the Lord came to Jonah to go to Nineveh, he preached a simple message, "Yet forty days, and Nineveh shall be overthrown." The people believed God and proclaimed a fast: "Let man and beast be covered with sackcloth, and cry mightily unto God: yea, let them turn...