All I say is watch over Sibyl, Mother. Watch over her while I'm gone.
3 seconds sound clip from the The Picture of Dorian Gray movie soundboard.
You can hear this line at 00:24:21.368 in the Blu-ray version of the movie.
Quote context
[...]
- You don't even know his name and yet you permitted him to...
- Your brother's right, Sibyl, you ought not to have permitted such familiarity.
- He is good. I know it. There is no evil in him. Did you see his face?
- No, but I wish I had, because if he ever does you any wrong, I'll track him down and kill him.
- All I say is watch over Sibyl, Mother. Watch over her while I'm gone.
- Can't you read what people are in their faces?
- To be true in friendship and faithful in love.
[...]