Abu Huraira (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings of Allah be upon him) said: "It is better for a man's belly to be filled with pus that corrodes it than to fill his belly with (blameworthy) poetry." Agreed upon.
Hadith Referenceمشكوة المصابيح / كتاب الآداب / 4794
Hadith Gradingالألبانی:مُتَّفَقٌ عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (6155) و مسلم (2257/7)»