((اللَّهُمَّ إِنِّي أَعُوذُ بِكَ أَنْ أُشْرِكَ بِكَ وَأَنَا أَعْلَمُ، وَأَسْتَغْفِرُكَ لِمَا لاَ أَعْلَمُ)).
Transliteration
(shirk: to associate others with Allah in those things which are specific to Him. This can occur in (1) belief, e.g. to believe that other than Allah has the power to benefit or harm, (2) speech, e.g. to swear by other than Allah and (3) action, e.g. to bow or prostrate to other than Allah.)(Allahumma innee aAAoothu bika an oshrika bika wa-ana aAAlam, wa-astaghfiruka lima la aAAlam.)
Translation
(shirk: to associate others with Allah in those things which are specific to Him. This can occur in (1) belief, e.g. to believe that other than Allah has the power to benefit or harm, (2) speech, e.g. to swear by other than Allah and (3) action, e.g. to bow or prostrate to other than Allah.)(O Allah, I take refuge in You lest I should commit shirk with You knowingly and I seek Your forgiveness for what I do unknowingly.)
Source
Hisnul Muslim (Fortress of the Muslim), No. 203 — chapter “Invocation for fear of Shirk”. hisnmuslim.com
Related Duas
((اللَّهُمَّ اكْفِنِيهِمْ بِمَا شِئْتَ)).
(O Allah, protect me from them with what You choose.)
Hisnul Muslim · No. 132
Invocations against the Devil and his promptings
Supplication 1 of 3
((الْاسْتِعَاذَةُ بِاللَّهِ مِنْهُ)).
Seeking refuge from him.
Hisnul Muslim · No. 141
((مَنْ حَفِظَ عَشْرَ آيَاتٍ مِنْ أَوَّلِ سُورَةِ الْكَهْفِ عُصِمَ مِنَ الدَّجَّالِ)) ، وَالْاسْتِعَاذَةُ بِاللَّهِ مِنْ فِتْنَتِهِ عَقِبَ التَّشَهُّدِ الْأَخِيرِ مِنْ كُلِّ صَلاَةٍ.
(Dajjal: among the great signs of the last hour and the greatest trials to befall mankind, which every Prophet has warned about. Most of mankind will folow him. He will appear from Asbahan, Iran at the time when Muslims…
Hisnul Muslim · No. 199