Mishkat al-Masabih
Mishkat al-Masabih 156
Arabic hadith text
وَعَنْ أَبِي هُرَيْرَةَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «كَفَى بِالْمَرْءِ كَذِبًا أَنْ يُحَدِّثَ بِكُلِّ مَا سمع» . رَوَاهُ مُسلم
Translation
Abu Hurayra reported that the Messenger of God said, ‘It is enough falsehood for a person to repeat everything he hears.’ Muslim transmitted it.