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
hakim:148 – ʿAlī b. Ḥamshādh al-ʿAdl > Hishām b. ʿAlī al-Sadūsī > ʿAbdullāh b. Rajāʾ > Isrāʾīl > Abū Ḥaṣīn > Abū Ṣāliḥ > Abū Hurayrah

[Machine] The Prophet ﷺ said, "It is not possible for you to be both foul-mouthed and true friends."  

الحاكم:١٤٨ – حَدَّثَنَا عَلِيُّ بْنُ حَمْشَاذَ الْعَدْلُ ثنا هِشَامُ بْنُ عَلِي السَّدُوسِي ثنا عَبْدِ اللَّهِ بْنِ رَجَاءٍ ثنا إِسْرَائِيلُ عَنْ أَبِي حَصِينٍ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ قَالَ «لَا يَجْتَمِعُ أَنْ تَكُونُوا لَعَّانِينَ صِدِّيقِينَ»  

See similar narrations below:

Collected by Suyūṭī