And Hezekiah prayed before the Lord. and said. O Lord God of Israel. Thou art the God. Lord, bow down thine ear. and hear open, Lord, thine eyes. Of a truth Lord, the kings of Assyria have destroyed the nations and their lands.
Successful leaders tend to regard themselves as infallible and immortal.
Stalin refused to accept that he had a terminal illness until the last day of his life, although advised by many highly qualified doctors that this was definitely the case. However, God is God and men are men. Hezekiah acknowledges in his prayer that Sennacherib has conquered other nations and destroyed their God's but the situation in Judah is entirely different because Sennacherib has now challenged the true God, not God's that were merely the product of men's imaginations. As this is the case, Hezekiah argues, save Judah so that it will be recognised that Thou art God. He has a far greater aim - the Glory of God.