Reason number twenty-four we are sure it’s God’s will for all to be healed is because He has promised us long life. Psalm 91:16 says, “With long life will I satisfy him, and show him my salvation,” Well, if 70 or 80 years is not the maximum the Scripture talks about, what is? In Genesis 6, we are given a number in the Bible. Genesis 6:3 says, “And the Lord said, My Spirit shall not always strive with man, for that he also is flesh: yet his days shall be an hundred and twenty years.” God said the days of man shall be 120 years.