Deuteronomy 7:12, 13, 15
Deuteronomy 7:12 NIV
If you pay attention to these laws and are careful to follow them, then the LORD your God will keep his covenant of love with you, as he swore to your ancestors.
Deuteronomy 7:15 NIV
The LORD will keep you free from every disease. He will not inflict on you the horrible diseases you knew in Egypt, but he will inflict them on all who hate you.