Sahih Al Bukhari – Book of To Make The Heart Tender (Ar-Riqaq)

Volumn 008, Book 076, Hadith Number 456.
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Narated By 'Imran bin Husain : The Prophet said, "I looked into Paradise and found that the majority of its dwellers were the poor people, and I looked into the (Hell) Fire and found that the majority of its dwellers were women."