A supplication to be recited often. Learn, memorise and spread it!
Anas raḍiallāhu ʾanhu narrated
The Prophet ﷺ would often say
يَا مُقَلِّبَ الْقُلُوبِ ثَبِّتْ قَلْبِي عَلَى دِينِكَ
(O Changer of the Hearts! Strengthen my heart upon Your Religion).
Narrated by At-Tirmidhi no 2140, graded saḥiḥ by Al-Albāny