Yâ Sîn
In the name of God, Most Gracious, Most Merciful.[36:2]
By the Qur’an, full of Wisdom,-

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* v.2 : The best credentials of the holy Prophet are: (1) the revelation which he brought ("the Quran"), and the heroic unselfish life which he led ("on a Straight Way"). The appeal is therefore made on the testimony of these two facts.