Sahih Muslim 1785
Sahih Muslim · Book 32: The Book of Jihad and Expeditions · The truce of Al-Hudaybiyah
It has been narrated through a different chain of transmitters on the authority of Abu Wa'il who said:
وَحَدَّثَنِي إِبْرَاهِيمُ بْنُ سَعِيدٍ الْجَوْهَرِيُّ ، حَدَّثَنَا أَبُو أُسَامَةَ ، عَنْ مَالِكِ بْنِ مِغْوَلٍ ، عَنْ أَبِي حَصِينٍ ، عَنْ أَبِي وَائِلٍ ، قَالَ سَمِعْتُ سَهْلَ بْنَ حُنَيْفٍ ، بِصِفِّينَ يَقُولُ اتَّهِمُوا رَأْيَكُمْ عَلَى دِينِكُمْ فَلَقَدْ رَأَيْتُنِي يَوْمَ أَبِي جَنْدَلٍ وَلَوْ أَسْتَطِيعُ أَنْ أَرُدَّ أَمْرَ رَسُولِ اللَّهِ صلى الله عليه وسلم - مَا فَتَحْنَا مِنْهُ فِي خُصْمٍ إِلاَّ انْفَجَرَ عَلَيْنَا مِنْهُ خُصْمٌ .
I heard Sahl b. Hunaif say at Siffin: Blame (the hollowness) of your views about your religion. I thought to myself on the day of Abu Jandal that if I could turn down the order of the Messenger of Allah (ﷺ), I would. The situation was so difficult that if we mended it at one place, it was rent at another.