It's monstrous the way people go about nowadays saying things behind one's back that are absolutely and entirely true.

5 seconds sound clip from the The Picture of Dorian Gray movie soundboard.

You can hear this line at 01:22:17.723 in the Blu-ray version of the movie.

Quote context

[...]

- What's her fourth husband like?

- Husbands of beautiful women belong to the criminal classes.

- I'm not surprised that the world says you're extremely wicked.

- What world says that, Lady Narborough? It can only be the next world. This world and Harry are on excellent terms.

- Everyone I know says he's wicked.

- It's monstrous the way people go about nowadays saying things behind one's back that are absolutely and entirely true.

- Women love us for our defects. If we have enough of them, they'll forgive us anything, even our intellects.

- At any rate, no one'll ever persuade me that Mr. Gray is wicked.

- And I shall never forgive him for remaining a bachelor.

- Don't you think we ought to find a wife for Mr. Gray?

- I'm always telling him so.

[...]