The virtue of Abu Ubayda and using Khabar al-Ahad as a proof   1964 – “This is the trustworthy one of this Ummah. Meaning Abu Ubayda.”   Narrated by Muslim (1297) and Hakim (3/267) and Ahmad (3/125) and Abu Yaa’la (2/831) from the different routes on the authority of Hamad bin Salama on the authority…