It was narrated that Usamah bin 'Umair Al-Hudhali said:
"The Messenger of Allah said: 'Allah does not accept any prayer without purification and He does not accept any charity from Ghulul.'" (Sahih)Another chain with similar wording. (JA)
English reference (JA): Vol. 1, Book 1, Hadith 271 (JA)
Arabic reference (JA): Book 1, Hadith 283 (JA)