52. This is to warn the people that the Quran has left no stone unturned in making the truth plain. It has employed all kinds of arguments, parables, similitude and used all the possible effective ways to appeal to the heart and the mind of man, and adopted the best possible style. If, in spite of this, they do not accept the truth, it is obvious that they are waiting for God’s scourge like the one that visited the former communities to make them realize their error.