Invocation
For fear of shirk
اللّهُـمَّ إِنّـي أَعـوذُبِكَ أَنْ أُشْـرِكَ بِكَ وَأَنا أَعْـلَمْ، وَأَسْتَـغْفِرُكَ لِما لا أَعْـلَم
O Allah, I seek refuge in You lest I associate anything with You knowingly, and I seek Your forgiveness for what I know not.
Ahmad 4/403. See also Al-Albani, Sahihul-Jami' As-Saghir 3/233 and
Sahihut-Targhib wat- Tarhib 1/19.