What did Aisha (peace be upon her) observe when washing the clothes of Prophet Muhammad (saw)?
 Narrated `Amr bin Maimun:                     I heard Sulaiman bin Yasar talking about the clothes soiled with semen. He said that `Aisha had said, "I used to wash it off the clothes of Allah's Apostle and he would go for the prayers while water spots were still visible on them.