If God Wills Disease Why Should We Try to Eradicate It? by John Piper

This question arises from the biblical teaching that all things are ultimately under God's control. "My counsel shall stand, and I will accomplish all my purpose" (Isaiah 46:10). "Whatever the Lord pleases, he does, in heaven and on earth, in the seas and all deeps" (Psalm 135:6). "He does according to his will among the host of heaven and among the inhabitants of the earth; and none can stay his hand or say to him, 'What have you done?'" (Daniel 4:35). "[He] works all things according to the counsel of his will" (Ephesians 1:11).  More...