For a firm heart: Dua
The Prophet ﷺ said this often.
Arabic
How to say it
yaa mu-qal-li-bal qu-loo-bi thab-bit qal-bee 'a-laa dee-nik
Meaning
“O Turner of hearts, keep my heart firm on Your religion.”
Our duas are being checked by teachers. The English pronunciation is a guide: learn the exact sounds by listening.
The meanings are explained in simple words for learners, not a word-for-word translation. For the full meaning of the Qur'an, read an established translation, such as Saheeh International in English or Maulana Muhammad Junagarhi in Urdu.