Mishkat al-Masabih
Book 30, Hadith 175
Arabic hadith text
وَعَنْهُ
أَنَّهُ قَالَ: دَعَا لِي رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنْ يُؤْتِيَنِي اللَّهُ الْحِكْمَة مرَّتَيْنِ. رَوَاهُ التِّرْمِذِيّ
Translation
He said
God's messenger made supplication for me twice that God might give me wisdom. Tirmidhi transmitted it.