Sahih Bukhari
6385
Narrated Ibn `Umar: Whenever Allah's Apostle returned from a Ghazwa or Hajj or `Umra, he used to say, Allahu Akbar, three times; whenever he went up a high place, he used to say, La ilaha illal-lahu wahdahu la sharika lahu, lahu-l-mulk wa..
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