'A'isha said: Whenever Allah's Messenger (may peace be upon him) intended to set out on a journey he cast lots amongst his wives and he took one with him in whose favour the lot was cast. It so happened that he cast lots amongst us while setting out on a battle and it was cast in my favour, so I set out along with Allah's Messenger (may peace be upon him). This relates to the period when the revelation concerning the commands of veil had been made. I was carried in a haudaj and I was brought down where we had to stay. In short, when we set out for return journey from the expedition and our caravan was near Medina, Allah's Messenger (may peace be upon him) commanded one night to march forward. I also got up when the command for the march was given and moved on until I went out of the encampments of the army and after relieving myself I came to my place. I touched my chest and found that my necklace which had been made of the stones of zafar had been broken. I retraced my steps and tried to search my necklace and this detained me there. The group of people who saddled my ride and placed my haudaj carrying me upon the camels marched on. They were under the impression that I was in it. The women in those days were light of weight and they did not wear much flesh, as they ate less food; so they did not perceive the weight of my haudaj as they placed it upon the camel as I was a young girl at that time. So they drove the camel and Eet out and I found my necklace after the army had marched. I came to my place and there was none to call and none to respond (the call). I waited at my place under the impression that when the people would riot find me they would come back. So I kept sitting at my place. I was overpowered by sleep and slept. Safwan b. Mu'attal Sulami Dhakwini, who had lagged behind the army because of taking rest came to my ...