Surah Az-Zukhruf (The Ornaments of Gold), Verse 52

اَمْ اَنَا خَیْرٌ مِّنْ هٰذَا الَّذِیْ هُوَ مَهِیْنٌ وَّلَا یَكَادُ یُبِیْنُ ۟

Am ana khairun min haazal lazee huwa maheenunw wa laa yakaadu yubeen

“"Am I not better than this (Moses), who is a contemptible wretch and can scarcely express himself clearly?”

Quran 43:52 (Yusuf Ali Translation)