Not because he knows anything about my life, but because I know everything about his.
3 seconds sound clip from the The Picture of Dorian Gray movie soundboard.
You can hear this line at 01:05:58.040 in the Blu-ray version of the movie.
Quote context
[...]
- You, with your untroubled youth, I find it hard to credit anything against you.
- When I hear all these hideous things that people whisper about you, I don't know what to say.
- I absolve you from the necessity of defending me if that's what's troubling you.
- You can't dismiss these charges so lightly.
- Why does a man like the Duke of Harwick leave the room of a club when you enter it?
- Not because he knows anything about my life, but because I know everything about his.
- What about Adrian Singleton and Lord Wayne's son?
- What gentleman will be seen with either of them?
- Wayne's silly son marries a woman no one will receive. Is that my fault?
[...]