It's your best work, Basil. The best thing you've ever done.
3 seconds sound clip from the The Picture of Dorian Gray movie soundboard.
You can hear this line at 00:03:13.353 in the Blu-ray version of the movie.
Quote context
[...]
- Eighteen, I think you said, sir.
- Yes.
- I'm sorry, my lord, Mr. Hallward is not at home.
- Mr. Hallward doesn't wish to be disturbed.
- It's your best work, Basil. The best thing you've ever done.
- Of course, I can't believe that anyone is really as handsome as that portrait.
- Who is he? What's his name? Why are you being so secretive about it?
- It's a great painting. You ought to send it to the Grosvenor and let everyone admire it.
- I shall not send it anywhere.
- But why?
- I've put too much of myself into it.
- I knew you'd laugh, but it's true all the same.
[...]