Prayers and Meditations — Paragraph 825
Source (Arabic)
أَيْ رَبِّ فَاجْعَلْ صَلَاتِي كَوْثَرَ الْحَيَوَانِ لِيَبْقَى بِهِ ذَاتِي بِدَوَامِ سَلْطَنَتِكَ وَيَذْكُرَكَ ف
Translation
Exalted art Thou above the description of anyone save Thyself, and the comprehension of aught else except Thee.