Sura 26 Ash-Shu'ara' (The Poets), ayah 13

  1. وَيَضِيقُ صَدْرِي وَلَا يَنْطَلِقُ لِسَانِي فَأَرْسِلْ إِلَىٰ هَارُونَ

    And that my breast will tighten and my tongue will not be fluent, so send for Aaron.

    26:13

Translation: Saheeh International