What did Prophet Muhammad (peace be upon him) say about Allah rewarding a believer slave who remains patient in the face of losing a dear friend or relative?
 Narrated Abu Huraira:                     Allah's Apostle said, "Allah says, 'I have nothing to give but Paradise as a reward to my believer slave, who, if I cause his dear friend (or relative) to die, remains patient (and hopes for Allah's Reward).