اللَّهُمَّ فَقِّهْهُ فِي الدِّينِ وَعَلِّمْهُ التَّأْوِيلَ
Allahumma faqqihhu fid-dini wa 'allimhut-ta'wil
O Allah, give him deep understanding of the religion and teach him the interpretation.
The Prophet ﷺ made this du'a for his young cousin Abdullah ibn Abbas (RA) — who went on to become the greatest scholar of Tafsir in Islamic history, known as "Tarjuman al-Quran" (The Interpreter of the Quran). One du'a from the Prophet ﷺ shaped the course of Islamic scholarship forever. It shows the power of a sincere du'a made for someone by name.
Related Du'as
اللَّهُمَّ اجْعَلْ فِي قَلْبِي نُورًا وَفِي بَصَرِي نُورًا وَفِي سَمْعِي نُورًا وَعَنْ يَمِينِي نُورًا وَعَنْ يَسَارِي نُورًا وَفَوْقِي نُورًا وَتَحْتِي نُورًا وَأَمَامِي نُورًا وَخَلْفِي نُورًا وَاجْعَلْ لِي نُورًا
O Allah, place light in my heart, light in my sight, light in my hearing, light on my right, light on my left, light above me, light below me, light in front of me, light behind me, and grant me light.
Sahihرَبَّنَا أَتْمِمْ لَنَا نُورَنَا وَاغْفِرْ لَنَا إِنَّكَ عَلَىٰ كُلِّ شَيْءٍ قَدِيرٌ
Our Lord, perfect our light for us and forgive us. Indeed, You are over all things capable.
Sahihاللَّهُمَّ يَا مُقَلِّبَ الْقُلُوبِ ثَبِّتْ قَلْبِي عَلَى دِينِكَ
O Allah, O Turner of hearts, make my heart firm upon Your religion.
Sahihاللَّهُمَّ أَلْهِمْنِي رُشْدِي وَأَعِذْنِي مِنْ شَرِّ نَفْسِي
O Allah, inspire me with right guidance and protect me from the evil of myself.
Hasan