To make the Heart Tender (Ar-Riqaq)
Bukhari :: Book 8 :: Volume 76 :: Hadith 534
Narrated 'Aisha:
Allah's Apostle said, "The people will be gathered barefooted, naked, and uncircumcised." I said, "O Allah's Apostle! Will the men and the women look at each other?" He said, "The situation will be too hard for them to pay attention to that."