﴿ إِنَّ فِى ذَٰلِكَ لَذِكْرَىٰ لِمَن كَانَ لَهُۥ قَلْبٌ أَوْ أَلْقَى ٱلسَّمْعَ وَهُوَ شَهِيدٌۭ ﴾

“In this, behold, there is indeed a reminder for everyone whose heart is wide-awake -that is, [every­one who] lends ear with a conscious mind -”

Please check ayah 50:40 for complete tafsir.