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.
tabarani:10446Muḥammad b. ʿAbdullāh al-Ḥaḍramī > ʿAwn b. Sallām > Abū Bakr al-Nahshalī > al-Aʿmash > Abū Wāʾil > ʿAbdullāh > Ārtaqá al-Ṣafā Faʾakhadh Bilisānih > Yā Lisān Qul Khayr Taghnam Wāskut > Shar Taslam from Qabl > Tandam Thum

[Machine] Oh tongue, speak goodness and benefit, and remain silent to avoid harm, so that you may be safe from regret. Then he said, "I heard the Messenger of Allah ﷺ say, 'The majority of the sins of the son of Adam are on his tongue.'"  

الطبراني:١٠٤٤٦حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللهِ الْحَضْرَمِيُّ ثنا عَوْنُ بْنُ سَلَّامٍ ثنا أَبُو بَكْرٍ النَّهْشَلِيُّ عَنِ الْأَعْمَشِ عَنْ أَبِي وَائِلٍ عَنْ عَبْدِ اللهِ أَنَّهُ ارْتَقَى الصَّفَا فَأَخَذَ بِلِسَانِهِ فَقَالَ

يَا لِسَانُ قُلْ خَيْرًا تَغْنَمْ وَاسْكُتْ عَنْ شَرٍّ تَسْلَمْ مِنْ قَبْلِ أَنْ تَنْدَمَ ثُمَّ قَالَ سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ «أَكْثَرُ خَطَايَا ابنِ آدَمَ فِي لِسَانِهِ»