Sahih Al Bukhari – Book of Call To Prayers (Adhaan)
Volumn 001, Book 011, Hadith Number 644.
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Narated By Al-Aswad RA: That he asked 'Aisha "What did the Prophet PBUH use to do in his house?" She replied, "He used to keep himself busy serving his family and when it was the time for prayer he would go for it."
