question #2 Sahih Muslim 4 b, Introduction, Narration 5 : Why is it considered more serious to lie about the Prophet Muhammad (peace be upon him) than about others?

’ Alī bin Hujr as-Sa’dī narrated to us, Alī bin Mushir narrated to us, Muhammad bin Qays il-Asadī informed us, on authority of Alī ibn Rabī’at al-Asadī, on authority of al-Mughīrat ibn Shu’bah, on authority of the Prophet, peace and blessings of Allah upon him a similar narration, however he did not mention the words ‘Indeed a lie upon me is not like a lie upon anyone else’.