What did the Prophet Muhammad (saw) advise Uqba bin 'Amir's sister to do regarding her vow to walk to the Kaaba?
 Narrated `Uqba bin 'Amir:                     My sister vowed to go on foot to the Ka`ba, and she asked me to take the verdict of the Prophet about it. So, I did and the Prophet said, "She should walk and also should ride."Narrated Abul-Khair from `Uqba as above.: