The Prophet ﷺ said, "From this side from the east, afflictions will appear. Rudeness and lack of mercy are characteristics of the rural bedouins who are busy with their camels and cows (and pay no attention to religion). Such are the tribes of Rabiʿa and Mudar."  

النَّبِيَّ ﷺ قَالَ مِنْ هَا هُنَا جَاءَتِ الْفِتَنُ نَحْوَ الْمَشْرِقِ وَالْجَفَاءُ وَغِلَظُ الْقُلُوبِ فِي الْفَدَّادِينَ أَهْلِ الْوَبَرِ عِنْدَ أُصُولِ أَذْنَابِ الإِبِلِ وَالْبَقَرِ فِي رَبِيعَةَ وَمُضَرَ  

The Prophet ﷺ beckoned with his hand towards Yemen and said, "Belief is there." The harshness and mercilessness are the qualities of those farmers etc, who are busy with their camels and pay no attention to the religion (is towards the east) from where the side of the head of Satan will appear; those are the tribes of Rabiʿa and Mudar.  

أَنَّ النَّبِيَّ ﷺ قَالَ الإِيمَانُ هَا هُنَا وَأَشَارَ بِيَدِهِ إِلَى الْيَمَنِ وَالْجَفَاءُ وَغِلَظُ الْقُلُوبِ فِي الْفَدَّادِينَ عِنْدَ أُصُولِ أَذْنَابِ الإِبِلِ مِنْ حَيْثُ يَطْلُعُ قَرْنَا الشَّيْطَانِ رَبِيعَةَ وَمُضَرَ  

[Machine] The Prophet Muhammad ﷺ said, "Harshness, severity, and hardness of hearts are found among the blacksmiths, the tribe of Rabeea and Mudar, who live near the camel's tails."  

أَنَّ رَسُولَ اللهِ ﷺ قَالَ «الْجَفَاءُ وَالْقَسْوَةُ وَغِلَظُ الْقُلُوبِ فِي الْفَدَّادِينَ أَهْلِ الْوَبَرِ عِنْدَ أُصُولِ أَذْنَابِ الْإِبِلِ مِنْ رَبِيعَةَ وَمُضَرَ»  

The Prophet ﷺ beckoned with his hand towards Yemen and said, "Belief is there." The harshness and mercilessness are the qualities of those farmers etc, who are busy with their camels and pay no attention to the religion (is towards the east) from where the side of the head of Satan will appear; those are the tribes of Rabiʿa and Mudar. (Using translation from Bukhārī 4387)  

أَنَّ النَّبِيَّ ﷺ قَالَ «الْإِيمَانُ هَاهُنَا وَأَشَارَ بِيَدِهِ إِلَى الْيَمَنِ وَالجَفَاءُ وَغِلَظُ الْقُلُوبِ فِي الْفَدَّادِينَ عِنْدَ أُصُولِ أَذْنَابِ الْإِبِلِ حَيْثُ يَطْلُعُ قَرْنُ الشَّيْطَانِ فِي رَبِيعَةَ وَمُضَرَ»  

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. (Using translation from Muslim 51)  

أَشَارَ رَسُولُ اللهِ ﷺ نَحْوَ الْيَمَنِ فَقَالَ «الْإِيمَانُ هَاهُنَا الْقَسْوَةُ وَغِلَظُ الْقُلُوبِ فِي الْفَدَّادِينَ عِنْدَ أُصُولِ أَذْنَابِ الْإِبِلِ حَيْثُ يَطْلُعُ قَرْنُ الشَّيْطَانِ فِي رَبِيعَةَ وَمُضَرَ»  

"الْجَفَاءُ وَالْقَسْوَةُ وَغِلَظُ الْقُلُوبِ فِي الفَدَّادِينَ أهْلُ الْوَبَرِ عِندَ أُصُولِ أذْنَابِ الإِبِلِ مِنْ رَبِيعَةَ وَمُضَرَ".