Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bukhari:6420 – ʿAlī b. ʿAbdullāh > Abū Ṣafwān ʿAbdullāh b. Saʿīd > Yūnus > Ibn Shihāb > Saʿīd b. al-Musayyab > Abū Hurayrah

I heard Messenger of Allah ﷺ saying, "The heart of an old man remains young in two respects, i.e., his love for the world (its wealth, amusements and luxuries) and his incessant hope."  

البخاري:٦٤٢٠ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ حَدَّثَنَا أَبُو صَفْوَانَ عَبْدُ اللَّهِ بْنُ سَعِيدٍ حَدَّثَنَا يُونُسُ عَنِ ابْنِ شِهَابٍ قَالَ أَخْبَرَنِي سَعِيدُ بْنُ الْمُسَيَّبِ أَنَّ أَبَا هُرَيْرَةَ ؓ قَالَ

سَمِعْتُ رَسُولَ اللَّهِ ﷺيَقُولُ: «لاَ يَزَالُ قَلْبُ الْكَبِيرِ شَابًّا فِي اثْنَتَيْنِ: فِي حُبِّ الدُّنْيَا، وَطُولِ الأَمَلِ۔»  

قَالَ اللَّيْثُ حَدَّثَنِي يُونُسُ وَابْنُ وَهْبٍ عَنْ يُونُسَ عَنِ ابْنِ شِهَابٍ قَالَ أَخْبَرَنِي سَعِيدٌ وَأَبُو سَلَمَةَ

See similar narrations below:

Collected by Nasāʾī's Kubrá, Suyūṭī
nasai-kubra:11766 – Hārūn b. Saʿīd > Khālid b. Nizār > al-Qāsim b. Mabrūr > Yūnus > al-Zuhrī > Saʿīd b. al-Musayyib And ʾAbī Salamah > Abū Hurayrah

[Machine] From the Prophet ﷺ who said: The heart of the elderly person will continue to be youthful in two things; love for wealth and having long hope.  

الكبرى للنسائي:١١٧٦٦ – عَنْ هَارُونَ بْنِ سَعِيدٍ عَنْ خَالِدِ بْنِ نِزَارٍ عَنِ الْقَاسِمِ بْنِ مَبْرُورٍ عَنْ يُونُسَ عَنِ الزُّهْرِيِّ عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ وَأَبِي سَلَمَةَ كِلَاهُمَا عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ قَالَ لَا يَزَالُ قَلْبُ الشَّيْخِ شَابًّا فِي اثْنَتَيْنِ فِي حُبِّ الْمَالِ وَطُولِ الْأَمَلِ