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Narrated Yahya as above (586) and added:

"Some of my companions told me that Hisham had said, "When the Mu'adhdhin said, "Haiya alas-sala(t) (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."
حَدَّثَنَا إِسْحَاقُ بْنُ رَاهَوَيْهِ، قَالَ حَدَّثَنَا وَهْبُ بْنُ جَرِيرٍ، قَالَ حَدَّثَنَا هِشَامٌ، عَنْ يَحْيَى، نَحْوَهُ‏.‏ قَالَ يَحْيَى وَحَدَّثَنِي بَعْضُ، إِخْوَانِنَا أَنَّهُ قَالَ لَمَّا قَالَ حَىَّ عَلَى الصَّلاَةِ‏.‏ قَالَ لاَ حَوْلَ وَلاَ قُوَّةَ إِلاَّ بِاللَّهِ‏.‏ وَقَالَ هَكَذَا سَمِعْنَا نَبِيَّكُمْ صلى الله عليه وسلم يَقُولُ‏.‏

Classification

Sahih (Authentic)

References

• Sahih al-Bukhari, 613
• Sahih al-Bukhari, Vol. 1, Book of Call to Prayer, Hadith 587
• Sahih al-Bukhari, Book of Call to Prayer, Hadith 587