þÇáÃíãÇä : Hadeeth No:4040 Ibn 'Umar heard Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who has to take an oath, he must not take oath but by Allaah. The Quraish used to take oath by their fathers. So he (the Prophet) said: Do not take oath by your fathers....

þÇáÝÑÇÆÖ : Hadeeth No:3928 Usama b. Zaid reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: A Muslim is not entitled to inherit from a non-Muslim, and a non-Muslim is not entitled to inherit from a Muslim....