When he sets out, set out too. ʿAli and his companions entered ihram for ‘Umrah, and ʿUthman did not say anything to them. ʿAli said: Have I not been told that you have forbidden tamattu.” Didnʿt the Messenger of Allah ﷺ do tamattuʿ? He (the narrator) said: I do not know what answer ʿUthman ؓ gave.
عَلِيٌّ لِأَصْحَابِهِ إِذَا رَاحَ فَرُوحُوا فَأَهَلَّ عَلِيٌّ وَأَصْحَابُهُ بِعُمْرَةٍ فَلَمْ يُكَلِّمْهُمْ عُثْمَانُ فَقَالَ عَلِيٌّ أَلَمْ أُخْبَرْ أَنَّكَ نَهَيْتَ عَنِ التَّمَتُّعِ أَلَمْ يَتَمَتَّعْ رَسُولُ اللهِ ﷺ؟ قَالَ فَمَا أَدْرِي مَا أَجَابَهُ عُثْمَانُ