عَنْ أَبِي هُرَيْرَةَ رضى الله عنه
قَالَ: قَالَ رَسُولُ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ -«أَكْثِرُوا ذِكْرَ هَاذِمِ اَللَّذَّاتِ: اَلْمَوْتِ»
“Remember, as much as you can, the one thing (fact or reality) which (always) brings an end to all worldly joys and pleasures, (meaning death)”Related by At-Tirmidhi, An-Nasai and Ibn Hibban.