Seeking refuge with Allah against him (i. e. by saying I seek refuge in Allah from Satan the outcast...
Reference:Abu Dawud 1/206, At-Tirmidhi. See also Al-Albani, Sahih At-Tirmidhi 1/77, and Surat Al-Mu'minun, 23:98-9.Hisnul Muslim 141
أَعُوذُ بِاللَّهِ مِنَ الشَّيطَانِ الرَّجِيمِ
A`ūdhu billāhi minash-shayṭānir-rajīm.
Seeking refuge with Allah against him (i. e. by saying I seek refuge in Allah from Satan the outcast).