The Istikhara Dua
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 لِي الْخَيْرَ حَيْثُ كَانَ ثُمَّ أَرْضِنِي بِهِ
Meaning: 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, I have none. You know, I know not. You are the Knower of the unseen. O Allah, if You know this matter is good for me in my religion, my livelihood, and my final outcome, then decree it for me, make it easy for me, and bless me in it. If You know it is bad for me, then turn it away from me and turn me away from it, and decree for me the good wherever it may be and make me content with it.
Sahih al-Bukhari 1166