It was narrated that Anas bin Malik said:
"I heard the Messenger of Allah say: 'Allah does not accept any prayer without purification, and He does not accept any charity from Ghulul.'" (JA)
English reference (JA): Vol. 1, Book 1, Hadith 273 (JA)
Arabic reference (JA): Book 1, Hadith 286 (JA)