Sura al-Qaṣaṣ 28:30

فَلَمَّآ أَتَىٰهَا نُودِىَ مِن شَٰطِئِ ٱلْوَادِ ٱلْأَيْمَنِ فِى ٱلْبُقْعَةِ ٱلْمُبَٰرَكَةِ مِنَ ٱلشَّجَرَةِ أَن يَٰمُوسَىٰٓ إِنِّىٓ أَنَا ٱللَّـهُ رَبُّ ٱلْعَٰلَمِينَ

fa-lammā atahā nūdiya min shāṭii l-wādi l-aymani fī l-buqʿati l-mubārakati mina l-shajarati an yā-mūsā innī anā allāhu rabbu l-ʿālamīna

But when he came to the (fire), a voice was heard from the right bank of the valley, from a tree in hallowed ground: "O Moses! Verily I am Allah, the Lord of the Worlds....