وَتَرَكْنَا فِيهَآ ءَايَةً لِّلَّذِينَ يَخَافُونَ ٱلْعَذَابَ ٱلْأَلِيمَ
Wa taraknaa feehaaa aayatal lillazeena yakhaafoonal 'azaabal aleem
and left the town to be a sign for those who fear the painful punishment.
And we left in it a sign for those who fear the painful punishment.