In fact, even such faithful servants of God as Moses and Jeremiah expressed a lack of confidence in their ability to speak in public.
فَإِذَا كَانَتْ هذِهِ مُشْكِلَتَكَ ،‏ فَأَنْتَ لَسْتَ ٱلْوَحِيدَ .‏