Narrated Al-A`mash: I asked Abu Wail, Did you witness the battle of Siffin between `Ali and Muawiya? He said, Yes, and added, Then I heard Sahl bin Hunaif saying, 'O people! Blame your personal opinions in your religion. No doubt, I remember myself on the day of Abi Jandal; if I had the power to refuse the order of Allah's Apostle, I would have refused it. We have never put our swords on our shoulders to get involved in a situation that might have been horrible for us, but those swords brought us to victory and peace, except this present situation.' Abu Wail said, I witnessed the battle of Siffin, and how nasty Siffin was!