That the Messenger of Allah ﷺ said: "If I live - if Allah wills - I will expel the Jews and the Christians from the Arabian Peninsula."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لَئِنْ عِشْتُ إِنْ شَاءَ اللَّهُ لأُخْرِجَنَّ الْيَهُودَ وَالنَّصَارَى مِنْ جَزِيرَةِ الْعَرَبِ  

"Umar bin Al-Khattab informed me that he heard the Messenger of Allah ﷺ say: 'I will expel the Jews and the Christians from the Arabian Peninsula, and I will not leave anyone in it except a Muslim."  

أَنَّهُ سَمِعَ رَسُولَ اللَّهِ ﷺ يَقُولُ لأُخْرِجَنَّ الْيَهُودَ وَالنَّصَارَى مِنْ جَزِيرَةِ الْعَرَبِ فَلاَ أَتْرُكُ فِيهَا إِلاَّ مُسْلِمًا