now they who are bent on denying the truth are wont to ask. why has not the quran been bestowed on him from on high in one single re­velation? in this manner so that we might strengthen thy heart thereby for we have so arranged its component parts that they form one consistent whole and they might never taunt thee with any deceptive halftruth without our conveying to thee the truth and with the best explanation.
وقال الذين كفروا لولا نزل عليه القرآن جملة واحدة كذلك لنثبت به فؤادك ورتلناه ترتيلا ولا يأتونك بمثل إلا جئناك بالحق وأحسن تفسيرا