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
ahmad-zuhd:436 – ʿAbdullāh > Aḥmad b. Ibrāhīm > ʿAbd al-Raḥman b. Mahdī > Muḥammad b. al-Naḍr al-Ḥārithī

[Machine] Rabi' ibn Khuthaym said, "Acquire knowledge, then seclude yourself."  

الزهد لأحمد:٤٣٦ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنَا أَحْمَدُ بْنُ إِبْرَاهِيمَ حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ قَالَ سَمِعْتُ مُحَمَّدَ بْنَ النَّضْرِ الْحَارِثِيَّ قَالَ

قَالَ رَبِيعُ بْنُ خُثَيْمٍ «تَفَقَّهْ ثُمَّ اعْتَزِلْ»  

See similar narrations below:

Collected by Aḥmad's Zuhd
ahmad-zuhd:1955 – ʿAbdullāh > Man > ʿAbd al-Raḥman b. Mahdī > Muḥammad b. al-Naḍr al-Ḥārithī

[Machine] Al-Rabee' ibn Khuthaym said, "Acquire knowledge and then seclude yourself (for contemplation)."  

الزهد لأحمد:١٩٥٥ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنَا مَنْ سَمِعَ عَبْدَ الرَّحْمَنِ بْنَ مَهْدِيٍّ عَنْ مُحَمَّدِ بْنِ النَّضْرِ الْحَارِثِيِّ قَالَ

قَالَ الرَّبِيعُ بْنُ خُثَيْمٍ «تَفَقَّهْ ثُمَّ اعْتَزِلْ»