Sura al-Naml 27:10

وَأَلْقِ عَصَاكَ فَلَمَّا رَءَاهَا تَهْتَزُّ كَأَنَّهَا جَآنٌّ وَلَّىٰ مُدْبِرًا وَلَمْ يُعَقِّبْ يَٰمُوسَىٰ لَا تَخَفْ إِنِّى لَا يَخَافُ لَدَىَّ ٱلْمُرْسَلُونَ

wa-alqi ʿaṣāka fa-lammā raʾāhā tahtazzu ka-annahā jānnun walla mudbiran wa-lam yuʿaqqib yā-mūsā lā takhaf innī lā yakhāfu ladayya l-mursalūna

"Now do thou throw thy rod!" But when he saw it moving (of its own accord)as if it had been a snake, he turned back in retreat, and retraced not his steps: "O Moses!" (it was said), "Fear not: truly, in My presence, those called as messengers have no fear,-