Sayyiduna Urwah (may Allah be pleased with him) says that I began to speak ill of Sayyiduna Hassan (may Allah be pleased with him) in the presence of Sayyidah Aisha (may Allah be pleased with her), so she said: Do not speak ill of him, he used to defend the Messenger of Allah (peace and blessings of Allah be upon him) with his poetry.
Hadith Referenceالادب المفرد / كتاب الشعر / 863
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه البخاري ، كتاب الأدب : 6150 و مسلم : 2487»
Explanation & Benefits
Shaykh Maulana Usman Muneeb
Benefits and Issues: Among those who slandered Sayyidah Aisha was Hazrat Hassan radi Allahu anhu as well; therefore, Sayyiduna Urwah rahimahullah spoke ill of him, but the Mother of the Believers radi Allahu anha stopped him, saying that he had already received his punishment and that he used to defend the Messenger of Allah sallallahu alayhi wa sallam.
Source: Fadlullah al-Ahad: Urdu Commentary on al-Adab al-Mufrad, Page: 863