DEATH H 583 "Remember often the terminator of pleasures (death)." R 583 Tirmidhi with a chain up to Abu Hurairah who related that the Prophet, praise and peace be upon him, said this.
578- وعنه ، قَالَ : قَالَ رسول الله صلى الله عليه وآله وسلم : "أكْثِرُوا ذِكْرَ هَاذِمِ اللَّذَّاتِ" يَعْنِي : المَوْتَ . رواه الترمذي ، وقال : "حديث حسن" .