"The Messenger of Allah ﷺ prohibited the price of a dog,the earnings of a fornicator (from fornication), and the payment made to the fortune-teller."  

نَهَى رَسُولُ اللَّهِ ﷺ عَنْ ثَمَنِ الْكَلْبِ وَمَهْرِ الْبَغِيِّ وَحُلْوَانِ الْكَاهِنِ