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
tabarani:9722 – Isḥāq b. Ibrāhīm > ʿAbd al-Razzāq > al-Thawrī > al-Aʿmash > ʿAbdullāh b. Sinān al-Asadī > Ibn Masʿūd

[Machine] Holding back in life is significant and squandering is regrettable at death.  

الطبراني:٩٧٢٢ – حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ أنا عَبْدُ الرَّزَّاقِ أنا الثَّوْرِيُّ عَنِ الْأَعْمَشِ عَنْ عَبْدِ اللهِ بْنِ سِنَانٍ الْأَسَدِيِّ عَنِ ابْنِ مَسْعُودٍ قَالَ

«تَانِكَ الْمُرَّتَانِ الْإِمْسَاكُ فِي الْحَيَاةِ وَالتَّبْذِيرُ عِنْدَ الْمَوْتِ»  

See similar narrations below:

Collected by Suyūṭī
suyuti:430-337b – Ibn Masʿūd > al-Iqtār
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السيوطي:٤٣٠-٣٣٧b –

"عَنِ ابْنِ مَسْعُودٍ قَالَ: الإِقْتَارُ فِى الْحَيَاةِ، وَالتَّبْذِيرُ عِنْدَ الْمَوْتِ تِلْكَ الْمَرِيَّانِ (*) مِنَ الأَمْرِ".  

[ص] سعيد بن منصور
suyuti:430-386b – Ibn Masʿūd > Tānik
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السيوطي:٤٣٠-٣٨٦b –

"عَنِ ابْنِ مَسْعُودٍ قَالَ: تَانِكَ المَرَّيَانِ (*): الإِمْسَاك فِى الحَيَاةِ وَالتَّبْذِيرُ عْنِدَ الْمَوْتِ".  

[عب] عبد الرازق