It is narrated from Nu'man bin Qais that Ubaidah bin Amr, before his death, had his books brought to him and erased them, and also said: I fear that some people may find them and not place them in their proper context.
Hadith Takhrijاس روایت کی سند صحیح ہے۔ دیکھئے: [مصنف ابن أبى شيبه 6353] ، [طبقات ابن سعد 63/6] ، [العلم لأبي خيثمه 112] ، [تقييد العلم ص: 61، 62] و [جامع بيان العلم 363، 364]