[Machine] "Umar ibn Abdul Aziz wrote to Abu Bakr ibn Hazm: "Look for the hadith of the Messenger of Allah ﷺ and write them down, for I fear the loss of knowledge and the departure of scholars. Do not accept any hadith except the narration of the Prophet ﷺ. Spread knowledge and sit with others until those who are unaware become well-informed. For knowledge does not perish until it becomes a secret." Al-Ala' ibn Abd al-Jabbar narrated to us, saying: Abd al-Aziz ibn Muslim told us from Abdullah ibn Dinar regarding this, meaning the narration of Umar ibn Abdul Aziz until his saying about the departure of scholars."

وَكَتَبَ عُمَرُ بْنُ عَبْدِ الْعَزِيزِ إِلَى أَبِي بَكْرِ بْنِ حَزْمٍ انْظُرْ مَا كَانَ مِنْ حَدِيثِ رَسُولِ اللَّهِ ﷺ فَاكْتُبْهُ، فَإِنِّي خِفْتُ دُرُوسَ الْعِلْمِ وَذَهَابَ الْعُلَمَاءِ، وَلاَ تَقْبَلْ إِلاَّ حَدِيثَ النَّبِيِّ ﷺ، وَلْتُفْشُوا الْعِلْمَ، وَلْتَجْلِسُوا حَتَّى يُعَلَّمَ مَنْ لاَ يَعْلَمُ، فَإِنَّ الْعِلْمَ لاَ يَهْلِكُ حَتَّى يَكُونَ سِرًّا. حَدَّثَنَا الْعَلاَءُ بْنُ عَبْدِ الْجَبَّارِ قَالَ: حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ مُسْلِمٍ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ بِذَلِكَ، يَعْنِي حَدِيثَ عُمَرَ بْنِ عَبْدِ الْعَزِيزِ إِلَى قَوْلِهِ ذَهَابَ الْعُلَمَاءِ.