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.
muslim:612fYaḥyá b. Yaḥyá al-Tamīmī > ʿAbdullāh b. Yaḥyá b. Abū Kathīr from my father

Knowledge cannot be acquired with sloth.  

مسلم:٦١٢fحَدَّثَنَا يَحْيَى بْنُ يَحْيَى التَّمِيمِيُّ قَالَ أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ يَحْيَى بْنِ أَبِي كَثِيرٍ قَالَ

سَمِعْتُ أَبِي يَقُولُ لاَ يُسْتَطَاعُ الْعِلْمُ بِرَاحَةِ الْجِسْمِ