اللَّهُمَّ إِنِّي أَسْتَخِيرُكَ بِعِلْمِكَ وَأَسْتَقْدِرُكَ بِقُدْرَتِكَ وَأَسْأَلُكَ مِنْ فَضْلِكَ الْعَظِيمِ فَإِنَّكَ تَقْدِرُ وَلَا أَقْدِرُ وَتَعْلَمُ وَلَا أَعْلَمُ وَأَنْتَ عَلَّامُ الْغُيُوبِ
Allahumma inni astakheeruka bi'ilmika wa astaqdiruka biqudratika wa as'aluka min fadlikal-'adheem, fa innaka taqdiru wa la aqdir, wa ta'lamu wa la a'lam, wa anta 'allamul-ghuyub
O Allah, I seek Your guidance by virtue of Your knowledge, and I seek ability by virtue of 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 hidden things.
Sahih Al-Bukhari 2:263
يَا مُقَلِّبَ الْقُلُوبِ ثَبِّتْ قَلْبِي عَلَى دِينِكَ
Ya Muqallibal-qulub, thabbit qalbi 'ala dinik
O Turner of hearts, keep my heart firm upon Your religion.
At-Tirmidhi 4:447, Ahmad
اللَّهُمَّ أَحْسَنْتَ خَلْقِي فَأَحْسِنْ خُلُقِي
Allahumma ahsanta khalqi fa-ahsin khuluqi
O Allah, You have made my physical form beautiful, so beautify my character too.
Ahmad, Ibn Hibban