‏القدر : Hadeeth No:6419 Tawus reported: I found some Companions of Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Everything is by measure. And he further said: I heard Abdullah b. 'Umar as saying: There is a neasure for everything-even for incapacity and-capability....

‏الإيمان : Hadeeth No:331 Al-Shaibani narrated on the authority of Zirr who narrated it on this authority of Abdullah that the (words of Allaah):" The heart belied not what he saw" (al Qur'an, Iiii. 11) imply that he saw Gabriel (sallAllaahu alayhi wa sallam) and he had six hundred wings....