His pride and his sense of guilt prompted him to assume an air of indifference.

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

You can hear this line at 00:48:52.680 in the Blu-ray version of the movie.

Quote context

[...]

- Not one of the women I've known would have done for me what Sibyl Vane did for you.

- But you haven't told me yet if you will dine with me tonight.

- I don't feel up to it, Harry.

- Then perhaps you'll join me later at the opera. My sister's box number is 27. It's on the Grand Tier. You'll see her name on the door. I hope to see you before half past 9. I don't want you to miss de Reszke in the duet.

- I'm sorry, Mr. Hallward. Mr. Gray isn't in. He's gone to the opera.

- To the opera?

- Yes, sir. Is there any message, sir?

- No. No, I'll come by in the morning.

- But in the morning, Dorian no longer wanted the consolation of his friend, nor his reproaches.

- His pride and his sense of guilt prompted him to assume an air of indifference.

- Hello, Basil. Sorry to keep you. Have you had breakfast?

- Yes, I have, thank you.

- I'm famished. You don't mind if I have a bite while we talk?

- Of course not.

- You went to the opera while Sibyl Vane was lying dead in some sordid lodging?

- What is past is past.

- You call yesterday the past?

[...]