Sahih Muslim
The Book of Zakat (Kitab Al-Zakat)
Book Number: 005 / Hadith Number: 2265
Hamza b. 'Abdullah b. Umar heard his father cay that the Messenger of Allah (may peace be upon him) had said: The person would continue begging from people till he would come on the Day of Resurrection and there would be no flesh on his face.