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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
tirmidhi:3801 – Maḥmūd b. Ghaylān > Ibn Numayr > al-Aʿmash > ʿUthmān b. ʿUmayr > Abū al-Yaqẓān > Abū Ḥarb b. Abū al-Aswad al-Dīlī > ʿAbdullāh b. ʿAmr

that the Messenger of Allah ﷺ said: "There is no one more truthful, that the sky has shaded and the earth has carried, than Abu Dharr."  

الترمذي:٣٨٠١ – حَدَّثَنَا مَحْمُودُ بْنُ غَيْلاَنَ قَالَ حَدَّثَنَا ابْنُ نُمَيْرٍ عَنِ الأَعْمَشِ عَنْ عُثْمَانَ بْنِ عُمَيْرٍ هُوَ أَبُو الْيَقْظَانِ عَنْ أَبِي حَرْبِ بْنِ أَبِي الأَسْوَدِ الدِّيلِيِّ عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو قَالَ

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ مَا أَظَلَّتِ الْخَضْرَاءُ وَلاَ أَقَلَّتِ الْغَبْرَاءُ أَصْدَقَ مِنْ أَبِي ذَرٍّ وَفِي الْبَابِ عَنْ أَبِي الدَّرْدَاءِ وَأَبِي ذَرٍّ وَهَذَا حَدِيثٌ حَسَنٌ  

See similar narrations below:

Collected by Ibn Mājah, Aḥmad
ibnmajah:156 – ʿAlī b. Muḥammad > ʿAbdullāh b. Numayr > al-Aʿmash > ʿUthmān b. ʿUmayr > Abū Ḥarb b. Abū al-Aswad al-Dīlī > ʿAbdullāh b. ʿAmr

"I heard the Messenger of Allah say: 'There is no one on earth, or under the sky, who speaks more truthfully than Abu Dharr.'"  

ابن ماجة:١٥٦ – حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ نُمَيْرٍ حَدَّثَنَا الأَعْمَشُ عَنْ عُثْمَانَ بْنِ عُمَيْرٍ عَنْ أَبِي حَرْبِ بْنِ أَبِي الأَسْوَدِ الدِّيلِيِّ عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو قَالَ

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ مَا أَقَلَّتِ الْغَبْرَاءُ وَلاَ أَظَلَّتِ الْخَضْرَاءُ مِنْ رَجُلٍ أَصْدَقَ لَهْجَةً مِنْ أَبِي ذَرٍّ  

ahmad:6519 – Ibn Numayr > al-Aʿmash > ʿUthmān b. ʿUmayr Abū al-Yaqẓān > Abū Ḥarb b. Abū al-Aswad > ʿAbdullāh b. ʿAmr

"I heard the Messenger of Allah say: 'There is no one on earth, or under the sky, who speaks more truthfully than Abu Dharr.'" (Using translation from Ibn Mājah 156)  

أحمد:٦٥١٩ – حَدَّثَنَا ابْنُ نُمَيْرٍ حَدَّثَنَا الْأَعْمَشُ عَنْ عُثْمَانَ بْنِ عُمَيْرٍ أَبِي الْيَقْظَانِ عَنْ أَبِي حَرْبِ بْنِ أَبِي الْأَسْوَدِ قَالَ سَمِعْتُ عَبْدَ اللهِ بْنَ عَمْرٍو قَالَ

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ مَا أَقَلَّتِ الْغَبْرَاءُ وَلَا أَظَلَّتِ الْخَضْرَاءُ مِنْ رَجُلٍ أَصْدَقَ مِنْ أَبِي ذَرٍّ