Mixed together in the right way, these three highly dangerous ingredients make the finest wart remover in the world.

9 seconds sound clip from the Willy Wonka & the Chocolate Factory movie soundboard.

You can hear this line at 00:10:41 in the Blu-ray version of the movie.

Quote context

[...]

- We have here nitric acid, glycerin and a special mixture of my own. Together, it's horrible, dangerous stuff. Blows you up.

- But mixed together in the right way, as only I know how, what do you think it makes?

- I don't know, sir.

- Of course you don't know. You don't know because only I know. If you knew and I didn't know, then you'd be teaching me instead of me teaching you.

- And for a student to teach his teacher is presumptuous and rude. Do my make myself clear?

- Yes, sir. Good.

- Mixed together in the right way, these three highly dangerous ingredients make the finest wart remover in the world.

- The trick is to pour them in in equal amounts.

- Charlie, you take the nitric acid and the glycerin and I'll take my own special mixture.

- Are you ready? Good lad. Pour.

- Did we do it wrong?

- No, certainly not. This is for very big warts.

[...]