If you listen to the voice of the Lord, your God, and you do what is right in his sight, if you listen to his ordinances and observe all of his laws, I will not bring upon you any of the diseases that I brought upon the Egyptians, for I am the Lord, who heals you.
He has made everything suitable for its time, and he has given men a sense of past and future, but they never have the slightest comprehension of what God has wrought from beginning to end.