by Imam Muslim, translation by Abdul Hamid Siddiqui , Volume: The Book of Faith (Kitab Al-Iman)
Chapter: PRECEDENCE OF THE BELIEVERS OVER ONE ANOTHER AND THE SUPERIORITY OF THE PEOPLE OF YEMEN IN THIS RESPECT
It is narrated on the authority of Ibn Mas'ud that the Apostle of Allah (may peace and blessings be upon him) pointed towards Yemen with his hand and said: Verily Iman is towards this side, and harshness and callousness of the hearts is found amongst the rude owners of the camels who drive them behind their tails (to the direction) where emerge the two horns of Satan, they are the tribes of Rabi'a and Mudar.
It is narrated on the authority of Abu Huraira that the Messenger of Allah observed: There have come the people of Yemen; they are tender of hearts, the belief is that of the Yemenites, the understanding (of the faith) is that of the Yemenites and sagacity is that of the Yemenites.
Abu Huraira reported the same hadith which is transmitted to us by another chain of transmitters, e. g. Muhammad b. al-Muthanna, Ishaq b. Yusuf Azraq, Ibn 'Aun, etc.
Abu Huraira reported: The Messenger of Allah (may peace and blessings be upon him) observed: There came to you the people from Yemen; they are tender of hearts and mild of feelings, the understanding is Yemenite, the sagacity is Yemenite.
It is narrated on the authority of Abu Huraira that the Messenger of Allah (may peace and blessings be upon him) remarked: The summit of unbelief is towards the East and the pride and conceitedness is found among the owners of horses and camels who are rude and uncivil, people of the tents, and tranquillity is found among those who rear goats and sheep.