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
quran:89:24 –

He will say, "Oh, I wish I had sent ahead ˹some good˺ for my life."  

He will say, as he remembers: ‘O (yā is for calling attention to something) would that I had sent ahead, good deeds and faith, for my life!’, ˹for˺ a good ˹life˺ in the Hereafter, or ˹it means˺ ‘during my life’ in the world.
القرآن:٨٩:٢٤ –

يَقُولُيَا لَيْتَنِي قَدَّمْتُ لِحَيَاتِي  

{يقول} مع تذكره {يا} للتنبيه {ليتني قدمت} الخير والإيمان {لحياتي} الطيبة في الآخرة أو وقت حياتي في الدنيا.