‏السلام : Hadeeth No:5511 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: There is no transitive disease and he also reported along with it: The ill should not be taken to the healthy....

‏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....