أعوذ بالله من الشيطان الرجيم واتفل على يسارك ( ثلاثا )
Uthman Ibn Al-Aas narrated: I said ‘O Messenger of Allah (saw), verily the devil comes between me and my prayer and recitation making me confused’ The Messenger of Allah (saw) replied ‘That is a devil called Khanzab, so if you sense his presence then seek refuge in Allah from him and spit (A form of spitting comprising mainly of air with little spittle) on your left side three times
Invocation against the distractions of Satan during the prayer and recitation of the Qur'an
138. 'A'oothu billaahi minash-Shaytaanir-rajeem.
(Say:) I seek refuge in Allah from Satan the outcast (then spit to your left). (Do this three times reciting in Arabic.)
Reference: Muslim 4/1729.
