Sahih Bukhari Volume 004, Book 053, Hadith Number 347.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 53. One-Fifth Of Booty to the Cause Of Allah (Khumus)
Narated By Khaula Al-Ansariya : I heard Allah's Apostle saying, "Some people spend Allah's Wealth (i.e. Muslim's wealth) in an unjust manner; such people will be put in the (Hell) Fire on the Day of Resurrection."