Sahih Muslim 161
The Book of Faith
وَحَدَّثَنَا أَبُو الطَّاهِرِ، أَحْمَدُ بْنُ عَمْرِو بْنِ عَبْدِ اللَّهِ بْنِ عَمْرِو بْنِ سَرْحٍ الْمِصْرِيُّ أَخْبَرَنَا ابْنُ وَهْبٍ، عَنْ عَمْرِو بْنِ الْحَارِثِ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، عَنْ أَبِي الْخَيْرِ، أَنَّهُ سَمِعَ عَبْدَ اللَّهِ بْنَ عَمْرِو بْنِ الْعَاصِ، يَقُولُ إِنَّ رَجُلاً سَأَلَ رَسُولَ اللَّهِ صلى الله عليه وسلم أَىُّ الْمُسْلِمِينَ خَيْرٌ قَالَ " مَنْ سَلِمَ الْمُسْلِمُونَ مِنْ لِسَانِهِ وَيَدِهِ " .
Abdullah b. Amr b. al-As is reported to have said:Verily a person asked the Messenger of Allah (may peace and blessings be upon him) who amongst the Muslims was better. Upon this (the Holy Prophet) remarked: From whose hand and tongue the Muslims are safe
Text from the public-domain hadith-api dataset. Numbering follows that dataset and can differ by a few from some printed editions — check the wording, not only the number.