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
suyuti:4-2320b – Abiá al-Bukhturiá Wzādhān
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السيوطي:٤-٢٣٢٠b –

"عَنْ أَبِى الْبُخْتُرِى وزَاذَانَ قَالَا: قَالَ عَلِىٌّ: وَإبْرَادُها عَلى الكَبِدِ إِذَا سُئِلْتُ عَمَّا لَا أَعْلَم أَنْ أَقُولَ: اللهُ أَعْلَمُ".  

الدارمى، [كر] ابن عساكر في تاريخه

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Collected by Dārimī
darimi:181 – ʿAmr b. ʿAwn > Khālid b. ʿAbdullāh > ʿAṭāʾ b. al-Sāʾib > Abū al-Bakhtarī And Zādhān

[Machine] "May the blessings of Allah be upon him and may He cool their liver when I am asked about what I do not know and do not know what to say, Allah knows best."  

الدارمي:١٨١ – أَخْبَرَنَا عَمْرُو بْنُ عَوْنٍ عَنْ خَالِدِ بْنِ عَبْدِ اللَّهِ عَنْ عَطَاءِ بْنِ السَّائِبِ عَنْ أَبِي الْبَخْتَرِيِّ وَزَاذَانَ قَالَا قَالَ

عَلِيٌّ رِضْوَانُ اللَّهِ عَلَيْهِ وَا بَرْدَهَا عَلَى الْكَبِدِ إِذَا سُئِلْتُ عَمَّا لَا أَعْلَمُ أَنْ أَقُولَ اللَّهُ أَعْلَمُ