20:20
Taha 20
Surah Taha (طه), verse 20 — reference 20:20. Arabic text with optional translation and free audio on Al-Qalam.
فَأَلْقَىٰهَا فَإِذَا هِىَ حَيَّةٌ تَسْعَىٰ
fa-alqāhā fa-idhā hiya ḥayyatun tasʿā
So he threw it down, and thereupon it was a snake, moving swiftly.