1169 - Abu Abd Allah narrated to us, al-Hasan ibn Musa narrated to us, saying: Ibn Lahi'ah narrated to us, saying: Usamah ibn Zayd narrated to us, from Ibn Shihab, from Hanzalah ibn Ali ibn al-Asqa', that Abu Bakr, may Allah have mercy upon him, sent Khalid ibn al-Walid, may Allah have mercy upon him, and commanded him "to fight the people based upon five; so whoever abandons one of the five, then fight him over it just as you would fight over the five: the testimony that there is no god but Allah and that Muhammad is the Messenger of Allah, the establishment of prayer, the giving of zakat, and the fasting of Ramadan."