those who reject faith say why is not the quran revealed to him all at once? thus that we may strengthen thy heart thereby and we have rehearsed it to thee in slow wellarranged stages gradually.
وقال الذين كفروا لولا نزل عليه القرآن جملة واحدة كذلك لنثبت به فؤادك ورتلناه ترتيلا