Abu Dawud
Oaths and Vows
Book Number: 015 / Hadith Number: 3297
Narated By Abdullah ibn Abbas : The sister of Uqbah ibn Amir took a vow that she would perform hajj on foot, and she was unable to do so. The Prophet (pbuh) said: Allah is not in need of the walking of your sister. She must ride and offer a sacrificial camel.