[Machine] Muawiyah, don't say that. The Messenger of Allah ﷺ had spat in it and whoever the Messenger of Allah ﷺ spat in something it is not impure. Al-Hasan bin Ali said, "As for you O 'Amr, indeed two men disputed about you, so look which of them is your father. And as for you O Abu Al-Awar, indeed the Messenger of Allah ﷺ cursed Ra'ilan, Thakwan, and 'Amr bin Sufyan."  

مُعَاوِيَةُ ؓ لَا تَقُولَا ذَلِكَ؛ فَإِنَّ رَسُولَ اللهِ ﷺ قَدْ تَفَلَ فِي فِيهِ وَمَنْ تَفَلَ رَسُولُ اللهِ ﷺ فِي فِيهِ فَلَيْسَ بِعَيِيٍّ فَقَالَ الْحَسَنُ بْنُ عَلِيٍّ ؓ «أَمَّا أَنْتَ يَا عَمْرُو فَإِنَّهُ تَنَازَعَ فِيكَ رَجُلَانِ فَانْظُرْ أَيُّهُمَا أَبُوكَ وَأَمَّا أَنْتَ يَا أَبَا الْأَعْوَرِ فَإِنَّ رَسُولَ اللهِ ﷺ لَعَنَ رِعْلًا وَذَكْوانَ وَعَمْرَو بْنَ سُفْيَانَ»