أَثُمَّ إِذَا مَا وَقَعَ ءَامَنتُم بِهِۦٓ ۚ ءَآلْـَٰٔنَ وَقَدْ كُنتُم بِهِۦ تَسْتَعْجِلُونَ
Then is it that when it has [actually] occurred you will believe in it? Now? And you were [once] for it impatient
Is it [only] then, when it has come to pass, [when] it has befallen you, that you will believe therein?, that is, in God, or [it means] in the chastisement, when it has come down (the [use of] hamza [in a-thumma, ‘is it then’] is to deny [the possibility of] deferrment [of chastisement], in other words, it [your belief] will not be accepted from you [in that instance] and it will be said to you: Now, do you believe, when [until now] you have been hastening it on?’, in mockery [of it].