26:13
Ash-Shu'ara 13
Surah Ash-Shu'ara (الشعراء), verse 13 — reference 26:13. Arabic text with optional translation and free audio on Al-Qalam.
وَيَضِيقُ صَدْرِى وَلَا يَنطَلِقُ لِسَانِى فَأَرْسِلْ إِلَىٰ هَـٰرُونَ
wayaḍīqu ṣadrī walā yanṭaliqu lisānī fa-arsil ilā hārūna
And that my breast will tighten and my tongue will not be fluent, so send for Aaron.