‏الزكاة : Hadeeth No:2243 Asma', daughter of Abu Bakr (Allaah be pleated with him), reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said to me: Spend, and do not calculate, or otherwise Allaah would also calculate in your case....

‏الطهارة : Hadeeth No:506 Jabir reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) forbade the use of bone or the droppings of camels for wiping (after excretion)....