Surah Qaf — Ayah 37 (50:37)
إِنَّ فِي ذَٰلِكَ لَذِكۡرَىٰ لِمَن كَانَ لَهُۥ قَلۡبٌ أَوۡ أَلۡقَى ٱلسَّمۡعَ وَهُوَ شَهِيدٞ ٣٧
English translation (Saheeh International)
Indeed in that is a reminder for whoever has a heart or who listens while he is present [in mind].
Brief commentary
In that destruction of the previous nations which has been mentioned are a reminder and lesson for one who has a heart to understand with, or who listens attentively with presence of mind, and not absentmindedly.