﴿ وَلَوْ جَآءَتْهُمْ كُلُّ ءَايَةٍ حَتَّىٰ يَرَوُا۟ ٱلْعَذَابَ ٱلْأَلِيمَ ﴾

“even though every sign [of the truth] should come within their ken - until they behold the grievous suffering [that awaits them in the life to come].”

In the fourth (95), fifth (96) and sixth (97) verses, the same subject finds support and emphasis while carrying a warning to those who are heedless.