A`ūdhu billāh
(Say:) I seek refuge in Allah.
(Then you should desist from doing what you are in doubt about.)
Reference:
Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 6/336, Muslim 1/120.
Huwa ‘l-Awwalu wa ‘l-Ākhir,
waẓ-Ẓāhiru wal-Bāṭin,
wa huwa bikulli shay'in `Alīm.
(Recite the Ayat) He is the First and the Last,
the Most High and the Most Near.
And He is the Knower of all things (in Arabic).
Referenc…