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
darimi:514 – Abū ʿĀṣim > Ibn Jurayj > ʿAbd al-Malik b. ʿAbdullāh b. Abū Sufyān from his uncle ʿAmr b. Abū Sufyān > ʿUmar b. al-Khaṭṭāb Riḍwān Allāh ʿAlayh

[Machine] "He heard Umar ibn Al-Khattab, may Allah be pleased with him, saying, 'Restrain knowledge with the book.'"  

الدارمي:٥١٤ – أَخْبَرَنَا أَبُو عَاصِمٍ أَخْبَرَنِي ابْنُ جُرَيْجٍ عَنْ عَبْدِ الْمَلِكِ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي سُفْيَانَ عَنْ عَمِّهِ عَمْرِو بْنِ أَبِي سُفْيَانَ

أَنَّهُ سَمِعَ عُمَرَ بْنَ الْخَطَّابِ رِضْوَانُ اللَّهِ عَلَيْهِ يَقُولُ «قَيِّدُوا الْعِلْمَ بِالْكِتَابِ»  

See similar narrations below:

Collected by Ṭabarānī
tabarani:700 – Muḥammad b. ʿAlī b. Shuʿayb al-Simsār > Khālid b. Khidāsh > ʿAbdullāh b. al-Muthanná al-Anṣārī > ʿAmmī Thumāmah > Lanā

[Machine] We have Anas, who said: "Restrict knowledge with the book."  

الطبراني:٧٠٠ – حَدَّثَنَا مُحَمَّدُ بْنُ عَلِيِّ بْنِ شُعَيْبٍ السِّمْسَارُ حَدَّثَنَا خَالِدُ بْنُ خِدَاشٍ ثنا عَبْدُ اللهِ بْنُ الْمُثَنَّى الْأَنْصَارِيُّ حَدَّثَنِي عَمِّي ثُمَامَةُ قَالَ قَالَ

لَنَا أَنَسٌ ؓ «قَيِّدُوا الْعِلْمَ بِالْكِتَابِ»