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.
ahmad-zuhd:2175ʿAbdullāh from my father > ʿAbd al-Razzāq > Maʿmar > Hishām b. ʿUrwah

[Machine] "My father fasted for forty or thirty years and did not break his fast except on the days of Eid al-Fitr or Eid al-Adha. He passed away while still fasting."  

الزهد لأحمد:٢١٧٥حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا عَبْدُ الرَّزَّاقِ أَنْبَأَنَا مَعْمَرٌ عَنْ هِشَامِ بْنِ عُرْوَةَ قَالَ

«صَامَ أَبِي أَرْبَعِينَ سَنَةً أَوْ ثَلَاثِينَ سَنَةً مَا أَفْطَرَ إِلَّا يَوْمَ فِطْرٍ أَوْ نَحْرٍ وَلَقَدْ قُبِضَ وَإِنَّهُ لَصَائِمٌ»