Abu Musa reported that he (and his other companions) were climbing upon the hillock along with Allah's Messenger (ﷺ) and when any person climbed up, he pronounced (loudly):
" There is no god but Allah, Allah is the Greatest." Thereupon Allah's Apostle (ﷺ) said: Verily, you are not supplicating One Who is deaf or absent. He said: Abu Musa or Abdullah b Qais, should I not direct you to the words (which form) the treasure of Paradise? I said: Allah's Messenger, what are these? He said:" There is no might and no power but that of Allah."
Reference: Sahih Muslim 2704 c In-book : Book 48, Hadith 58 USC-MSA web (English) : Book 35, Hadith 6528 (deprecated)
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