`Abdullah bin Shaqeeq said. `Uthman (رضي الله عنه) forbade tamattu` [in Haji] and `Ali (رضي الله عنه) enjoined it. ‘Uthman said to ‘Ali:
You do such and such. Then ‘Ali (رضي الله عنه) said: You know that we did tamattu` with the Messenger of Allah (ﷺ). [`Uthman] said: Yes, but we were afraid.