Arabic (Original)
حَدَّثَنَا يَحْيَى بْنُ إِسْحَاقَ قَالَ أَخْبَرَنِيهِ أَبُو بَكْرِ بْنُ عَيَّاشٍ عَنْ أَبِي حَصِينٍ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا كَانَ يَوْمُ صَوْمِ أَحَدِكُمْ فَلَا يَرْفُثْ وَلَا يَجْهَلْ فَإِنْ جُهِلَ عَلَيْهِ فَلْيَقُلْ إِنِّي امْرُؤٌ صَائِمٌ.
English Translation
Yahya ibn Ishaq narrated to us, he said: Abu Bakr ibn 'Ayyash informed me, from Abu Hasin, from Abu Salih, from Abu Hurayrah who said: The Messenger of Allah (peace be upon him) said: "When it is the day of fasting of one of you, let him not use obscene language nor act ignorantly. If someone acts ignorantly toward him, let him say: 'I am a fasting person.'"