The verses from Surat al-A’araf, which are as follows (interpretation of the meaning):

“[Pharaoh] said: ‘If you have come with a sign, show it forth, if you are one of those who tell the truth.’

Then [Musa] threw his stick and behold! it was a serpent, manifest!

And he drew out his hand, and behold! It was white (with radiance) for the beholders.

The chiefs of the people of Pharaoh said: ‘This is indeed a well-versed sorcerer;

He wants to get you out of your land, so what do you advise?’

They said: ‘Put him and his brother off (for a time), and send callers to the cities to collect —

That they bring to you all well-versed sorcerers.’

And so the sorcerers came to Pharaoh. They said: ‘Indeed there will be a (good) reward for us if we are the victors.’

He said: ‘Yes, and moreover you will (in that case) be of the nearest (to me).’

They said: ‘O Musa! Either you throw (first), or shall we have the (first) throw?’

He [Musa] said: ‘Throw you (first).’ So when they threw, they bewitched the eyes of the people, and struck terror into them, and they displayed a great magic.

And We revealed to Musa (saying): ‘Throw your stick,’ and behold! It swallowed up straight away all the falsehood which they showed.

Thus truth was confirmed, and all that they did was made of no effect.

So they were defeated there and returned disgraced.

And the sorcerers fell down prostrate.

They said: ‘We believe in the Lord of the ‘Alameen (mankind, jinn and all that exists).

The Lord of Musa and Harun.’”  [7:106-122]