101:10
وَمَآ أَدْرَىٰكَ مَا هِيَهْ
And what can make you know what that is?
The Calamity
وَمَآ أَدْرَىٰكَ مَا هِيَهْ
And what can make you know what that is?
Nearby ayahs help place verse 101:10 in sequence and meaning.
وَأَمَّا مَنْ خَفَّتْ مَوَٰزِينُهُۥ
But as for one whose scales are light,
فَأُمُّهُۥ هَاوِيَةٌ
His refuge will be an abyss.
نَارٌ حَامِيَةٌۢ
It is a Fire, intensely hot.