Hadith: Arabic Text followed by English Translation.
عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم
بَدَأَ الإِسْلاَمُ غَرِيبًا وَسَيَعُودُ كَمَا بَدَأَ غَرِيبًا فَطُوبَى لِلْغُرَبَاءِ
رواه مسلم ١٤٥
It is narrated on the authority of Abu Huraira that the Messenger of Allah (ﷺ) said:
Islam initiated as something strange, and it would revert to its (old position) of being strange. so good tidings for the stranger.
Sahih Muslim 145