Fortress of the Muslim
Hisn al-Muslim 203
Arabic hadith text
اللّهُـمَّ إِنّـي أَعـوذُبِكَ أَنْ أُشْـرِكَ بِكَ وَأَنا أَعْـلَمْ، وَأَسْتَـغْفِرُكَ لِما لا أَعْـلَم
Translation
O Allah, I seek refuge in You from associating anything with You knowingly, and I seek Your forgiveness for what I do not know.