But that isn't true.
2 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.
You can hear this line at 00:22:09.776 in the Blu-ray version of the movie.
Quote context
[...]
- Please. Won't you continue to work with her?
- Why should I assume your burden after you spent all your money on her?
- The girl means nothing to me.
- Well, I'll let her come a few times, and then I will tell her she no longer needs me.
- As a matter of fact, if you had the money, she might be launched on a career very soon.
- I assume that Mademoiselle DuBois has not the means to pay for her own instructions.
- Why, her month's salary wouldn't be enough to pay for one of your lessons.
- But I have written a concerto. Now, will you trust me if I can arrange to have it published?
[...]