Ash-Shu'ara · Ayah 13
وَيَضِيقُ صَدْرِى وَلَا يَنطَلِقُ لِسَانِى فَأَرْسِلْ إِلَىٰ هَٰرُونَ
And that my breast will tighten and my tongue will not be fluent, so send for Aaron.
Quran 26:13 (Ash-Shu'ara) · Saheeh International, Noor International Center (QuranEnc v1.1.2)