Auzu billahi in Arabic:
It is commanded in Quran and exact words are in hadith. Following is the verse in which Allah order us to recite Auzu billahi before reciting the Quran.
(16:98)فَإِذَا قَرَأْتَ ٱلْقُرْءَانَ فَٱسْتَعِذْ بِٱللَّهِ مِنَ ٱلشَّيْطَـٰنِ ٱلرَّجِيمِ
So when you recite the Qur’ān, [first] seek refuge in Allah from Satan, the expelled [from His mercy].[16:98]
Copy Arabic Auzu billahi Text:
Hadith Reference:
أَعـوذُ بِاللهِ مِنَ الشَّيْـطانِ الرَّجيـم
A`ūdhu billāhi minash-Shayṭānir-rajīm.
I seek refuge in Allah from Satan the outcast.
Reference: Al-Bukhari 7/99, Muslim 4/2015.
Hisn al-Muslim 193
https://sunnah.com/hisn:193
Bismillah in arabic: copy text
Inna Lillahi wa inna ilayhi raji’un( condolence text)