عَنْ حَفْصِ بْنِ عَاصِمٍ، قَالَ قَالَ رَسُولُ اللّٰہ صلّى اللّٰہ عليه وسلّم: كَفَى بِالْمَرْءِ كَذِبًا أَنْ يُحَدِّثَ بِكُلِّ مَا سَمِعَ.
Hafs bin Asim relates that Allah’s Messenger (sa) said: “It is sufficient for a person to be considered a liar that he goes about repeating everything he hears to others.”
(Sahih Muslim, Muqaddimah, Bab an-nayhi ‘ani l-hadithi bi kulli ma sami‘a, Hadith 5)