26 : 13
وَيَضِيقُ صَدۡرِي وَلَا يَنطَلِقُ لِسَانِي فَأَرۡسِلۡ إِلَىٰ هَٰرُونَ
and I will feel distressed and my tongue will not be fluent, so send Aaron along [to help me].
Ayah 13 of الشعراء (26 : 13). This page carries the verse in the Uthmani script with a translation of its meaning, at a stable URL that can be cited on its own.
وَيَضِيقُ صَدۡرِي وَلَا يَنطَلِقُ لِسَانِي فَأَرۡسِلۡ إِلَىٰ هَٰرُونَ
and I will feel distressed and my tongue will not be fluent, so send Aaron along [to help me].