رَبِّ زِدْنِي عِلْمًا
Rabbi zidni 'ilma
My Lord, increase me in knowledge.
This is the only thing in the Quran that Allah specifically commanded the Prophet ﷺ to ask for more of. Not wealth, not power, not health — but knowledge. It shows the supreme value Islam places on learning.
Related Du'as
رَبَّنَا 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 فَقِّهْهُ فِي الدِّينِ وَعَلِّمْهُ التَّأْوِيلَ
O Allah, give him deep understanding of the religion and teach him the interpretation.
Sahihاللَّهُمَّ أَرِنِي الْحَقَّ حَقًّا وَارْزُقْنِي اتِّبَاعَهُ وَأَرِنِي الْبَاطِلَ بَاطِلًا وَارْزُقْنِي اجْتِنَابَهُ
O Allah, show me the truth as truth and grant me the ability to follow it, and show me falsehood as falsehood and grant me the ability to avoid it.
Hasanاللَّهُمَّ إِنِّي أَعُوذُ بِكَ أَنْ أَضِلَّ أَوْ أُضَلَّ أَوْ أَزِلَّ أَوْ أُزَلَّ أَوْ أَظْلِمَ أَوْ أُظْلَمَ أَوْ أَجْهَلَ أَوْ يُجْهَلَ عَلَيَّ
O Allah, I seek refuge in You from going astray or being led astray, from slipping or being caused to slip, from wronging others or being wronged, from behaving ignorantly or being treated with ignorance.
Sahih