Oh, no, you don't. I'm running this place.
3 seconds sound clip from the The Sword in the Stone (1963) movie soundboard.
You can hear this line at 00:19:55.200 in the Blu-ray version of the movie.
Quote context
[...]
- All right, Marvin, turn her off. I'm convinced.
- I hope you don't go in for any of that black magic.
- Oh, no, no, no, no. Never touch the stuff.
- My magic is used mainly for educational purposes.
- In fact, that is why I am here. I have come to educate the Wart.
- Oh, no, you don't. I'm running this place.
- Well, by Jove. Hey, he's gone.
- I'm gone, but then I'm not gone. So, if I do leave you can never be sure that I am gone. Can you?
- Well... Well, I must say, you've got me there, Marvin.
[...]