(7) باب مَا يَقُولُ إِذَا سَمِعَ الْمُنَادِي
Narrated Yahya as above (586) and added:
"Some of my companions told me that Hisham had said, "When the Mu'adh-dhin said, "Haiyi `alassala (come for the prayer)." Muawiya said, "La hawla wala quwata illa billah (There is neither might nor any power except with Allah)" and added, "We heard your Prophet saying the same."
Reference: Sahih al-Bukhari 613
In-book reference: Book 10, Hadith 11
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 587