رَبِّ اشْرَحْ لِي صَدْرِي وَيَسِّرْ لِي أَمْرِي وَاحْلُلْ عُقْدَةً مِنْ لِسَانِي يَفْقَهُوا قَوْلِي
Transliteration
Rabbish-rah li sadri wa yassir li amri wahlul 'uqdatan min lisani yafqahu qawli
Translation
My Lord, expand for me my chest, ease for me my task, and untie the knot from my tongue so that they may understand my speech.
Reference: Quran 20:25-28