Commentators have suggested different ideas about the twice repeated verse...

Commentators have suggested different ideas about the twice repeated verse, mentioned above, which says the same facts for emphasis: To inform them that the Hereafter is in the near future, or to tell them two separate matters: (1) That they will see the punishment of this world in the near future, and (2) that they will see the next world’s punishment after that (of which, the first idea seems more appropriate).

It is also probable that this refers to the improvement and progress of man’s knowledge, when there will be so many reasons and evidences for the possibility of the Resurrection that even the unbelievers cannot afford to deny, but can only confess, the Reality. However, the fault in this commentary is that this kind of knowledge is for the later generations of mankind, which this verse refers to, and not for those who used to live at the Prophet’s time (S) and differed on the existence of the…