Narrated Marwan bin Al-Hakam: I saw `Uthman and `Ali. `Uthman used to forbid people to perform Hajj-at-Tamattu` and Hajj-al- Qiran (Hajj and `Umra together), and when `Ali saw (this act of `Uthman), he assumed Ihram for Hajj and `Umra together saying, Lubbaik for `Umra and Hajj, and said, I will not leave the tradition of the Prophet on the saying of somebody.