Imam Bukhari narrates: Ishaq bin Rahwayh narrated to us, he said: Wahb bin Jarir narrated to us, he said: Hisham narrated to us, the like of it from Yahya, Yahya said: And some of our brothers narrated this hadeeth to me, that

when the mu'adhdhin said: "Hayya ala-s-salah," Mu'awiyah, may Allāh be pleased with him, said: "La hawla wala quwwata illa billah," and said: We have heard your Prophet saying the same.