اللَّهُمَّ إِنِّي أَسْتَخِيرُكَ بِعِلْمِكَ، وَأَسْتَقْدِرُكَ بِقُدْرَتِكَ، وَأَسْأَلُكَ مِنْ فَضْلِكَ الْعَظِيمِ، فَإِنَّكَ تَقْدِرُ وَلَا أَقْدِرُ، وَتَعْلَمُ وَلَا أَعْلَمُ، وَأَنْتَ عَلَّامُ الْغُيُوبِ. اللَّهُمَّ إِنْ كُنْتَ تَعْلَمُ أَنَّ هَذَا الْأَمْرَ خَيْرٌ لِي فِي دِينِي وَمَعَاشِي وَعَاقِبَةِ أَمْرِي فَاقْدُرْهُ لِي وَيَسِّرْهُ لِي ثُمَّ بَارِكْ لِي فِيهِ، وَإِنْ كُنْتَ تَعْلَمُ أَنَّ هَذَا الْأَمْرَ شَرٌّ لِي فِي دِينِي وَمَعَاشِي وَعَاقِبَةِ أَمْرِي فَاصْرِفْهُ عَنِّي وَاصْرِفْنِي عَنْهُ، وَاقْدُرْ لِيَ الْخَيْرَ حَيْثُ كَانَ ثُمَّ أَرْضِنِي بِهِ.
Allahumma inni astakhiruka bi 'ilmika, wa astaqdiruka bi qudratika, wa as'aluka min fadlika-l-'azim. Fa innaka taqdiru wa la aqdiru, wa ta'lamu wa la a'lamu, wa anta 'allamu-l-ghuyub. Allahumma in kunta ta'lamu anna hadha-l-amra khayrun li fi dini wa ma'ashi wa 'aqibati amri, faqdurhu li wa yassirhu li thumma barik li fih. Wa in kunta ta'lamu anna hadha-l-amra sharrun li fi dini wa ma'ashi wa 'aqibati amri, fasrifhu 'anni wasrifni 'anhu, waqdur liya-l-khayra haythu kana thumma ardini bih.
"O Allah, I seek Your guidance by Your knowledge, and I seek ability by Your power, and I ask You of Your great bounty. You have power and I have none, and You know and I know not; You are the Knower of the unseen. O Allah, if You know that this matter is good for me in my religion, my livelihood and the outcome of my affairs, then decree it for me, make it easy for me, and bless it for me. And if You know that this matter is bad for me in my religion, my livelihood and the outcome of my affairs, then turn it away from me and turn me away from it, and decree for me what is good wherever it may be, and make me content with it."
Source: Reported in Sahih al-Bukhari, narrated by Jabir ibn Abdullah (may Allah be pleased with him).