Sunan An-Nasa'i

It was narrated that Al-Hakam said:""I heard 'Ali binHusain narrating from Marwan, that 'Uthman forbade Mut'ah and joining Hajj and ""Umrah. 'Ali said; 'Labbaika bi Hajjatin wa 'Umratin ma'an Here I am, (O Allah) for Hajj and ""Umrah together. 'Uthman said: 'Are you doing this when I have forbidden it?' 'Ali said; 'I will not give up the Summah of the Messenger of Allah for any of the people