Surah Ash-Shu'ara, ayah 30

قَالَ أَوَلَوۡ جِئۡتُكَ بِشَيۡءٖ مُّبِينٖ ٣٠

Qāla awalaw ji'tuka bishay'im mubīn

[Moses] said, "Even if I brought you something [i.e., proof] manifest?"