Volume 7, Book 63, Number 223:
Narrated Abu Masud:
The Prophet pointed with his hand towards Yemen and said twice, “Faith is there,” and then poin –
ted towards the East, and said, “Verily, sternness and mercilessness are the qualities of those who are
busy with their camels and pay no attention to their religion, where the two sides of the head of
Satan will appear,” namely, the tribes of Rabl’a and Muqar.