‏البيوع : Hadeeth No:3806 Rafi b. Khadij reported Allaah'& Messenger (sallAllaahu alayhi wa sallam) as saying: The price of a dog is evil, the earning of a prostitute is evil and the earning of a cupper is evil....

‏صفات المنافقين وأحكامهم‏ : Hadeeth No:6696 Ibn Umar reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: The similitude of a hypocrite is that of a sheep which roams aimlessly between two flocks. She goes to one at one time and to the other at another time....