Quran 26:32 — The Poets (Al-Shu`ara')

فَأَلقىٰ عَصاهُ فَإِذا هِىَ ثُعبانٌ مُبينٌ

He then threw his staff, whereupon it became a profound snake.

[26:31] He said, "Then produce it, if you are truthful."

[26:33] And he took out his hand, and it was white to the beholders.