Abu Huraira reported that Allah's Messenger (ﷺ) said to Bilal:
Bilal, narrate to me which act at the time of morning prayer you did in Islam for which you hope to receive good reward, for I heard during the night the sound of your steps before me in Paradise. Bilal said: I did not do any act in Islam for which I hope to get any benefit but this that when I perform complete ablution during the night or day I observe prayer with that purification what Allah has ordained for me to pray.
Reference: Sahih Muslim 2458 In-book : Book 44, Hadith 154 USC-MSA web (English) : Book 31, Hadith 6015 (deprecated)
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