Surah Adh-Dhariyat, ayah 37

وَتَرَكۡنَا فِيهَآ ءَايَةٗ لِّلَّذِينَ يَخَافُونَ ٱلۡعَذَابَ ٱلۡأَلِيمَ ٣٧

Wataraknā fīhā āyatal lilladhīna yakhāfūnal-'adhābal-alīm

And We left therein a sign for those who fear the painful punishment.