[pinkpanther]

Ibn Taymiyyah (born 1263, Harran, Mesopotamia—died September 26, 1328, Damascus, Syria) was one of Islam's most forceful theologians, who, as a member of the Ḥanbalī school founded by Aḥmad ibn Ḥanbal, sought the return of the Islamic religion to its sources: the Qurʾān and the Sunnah, 

If you said the source of the hadith is unreliable, then you are insulting him..