‏الزهد والرقائق‏ : Hadeeth No:7087 'A'isha reported: Never could the family of Muhammad (may peace. be upon him) (afford to eat) the bread of wheat for three (successive days) until he ran the course of his life....

‏البيوع : Hadeeth No:3914 Abu Qatada al-Ansari (Allaah be pleased with him) reported he heard Allaah's Messenger (sallAllaahu alayhi wa sallam) say: Beware of swearing; it produces a ready sale for a commodity, but blots out the blessing....