Hadithcore
Riyad as-Salihin, 1547

Abu Hurairah (May Allah be pleased with him) said:

The Prophet (ﷺ) said, "It is enough for a man to prove himself a liar when he goes on narrating whatever he hears." <b>[Muslim]</b>.

وعن أبي هريرة رضي الله عنه أن النبي صلى الله عليه وسلم قال‏:‏ ‏

‏كفى بالمرء كذبًا أن يحدث بكل ما سمع‏

‏‏.‏ (‏‏(‏رواه مسلم‏)‏‏)‏‏

References1 variant
In-Book Reference
Book 17, Hadith 37
Sharh · explanationclick to expand
<b>Guidance from the Hadith:</b><br> 1) One must verify the authenticity of what he says or conveys of news.<br> 2) Reporting everything that one hears is bound to make him fall into lying.