O Turner of hearts, keep my heart firm upon Your religion. — Daily Supplications

يَا مُقَلِّبَ الْقُلُوبِ ثَبِّتْ قَلْبِي عَلَى دِينِكَ

Transliteration: Yaa muqallibal-quloobi thabbit qalbee 'alaa deenik

Translation: O Turner of hearts, keep my heart firm upon Your religion.