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:53:39 –

And that there is not for man except that ˹good˺ for which he strives  

and that (wa-an, to be understood as wa-annahu) man shall have only what he ˹himself˺ strives for, of good ˹deeds˺, and so he shall not have anything of ˹the reward for˺ good ˹deeds˺ striven for by another;
القرآن:٥٣:٣٩ –

وَأَنْ لَيْسَ لِلْإِنْسَانِ إِلَّا مَا سَعَىٰ  

{وأن} بأنه {ليس للإنسان إلا ما سعى} من خير فليس له من سعي غيره الخير شيء.