إِنَّا لِلَّهِ وَإِنَّا إِلَيْهِ رَاجِعُونَ، اللَّهُمَّ أْجُرْنِي فِي مُصِيبَتِي وَأَخْلِفْ لِي خَيْرًا مِنْهَا
Transliteration
Inna lillahi wa inna ilayhi raji'un, Allahumma'jurni fi musibati wa akhlif li khayran minha
Translation
Indeed we belong to Allah, and indeed to Him we shall return. O Allah, reward me in my affliction and replace it for me with something better.
Reference: Muslim 918