But nay! I swear by all that ye see 38 And what you do not see 39 most surely, this is the word brought by a noble messenger, 40 not the speech of a poet. Little do you believe! 41 Nor is this the speech of a soothsayer. Little do you reflect! 42 It has been sent down by the Lord of all the worlds. 43 And if he [i.e., the Prophets] had forged this Discourse and thereafter ascribed it to Us, 44 We would have definitely taken revenge from him. 45 then, We would surely have cut from him the aorta (vein) 46 And not one of you would have withheld us from punishing him. 47 Indeed, it is a Reminder to those who fear Allah, 48 And verily, We know that there are some among you that belie (this Quran). [Tafsir At-Tabari, Vol. 29, Page 68] 49 and (on the Day of Judgment) this will be a great source of regret for the unbelievers. 50 And verily it is the truth of assured certainty. 51 Wherefore hallow thou the name of thy Lord, the Mighty. 52