- As if he'd done nothing at all.
- Which happens to be the truth.
5 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 00:53:38 in the Blu-ray version of the movie.
Quote context
[...]
- It'd look better coming from me, don't you think, as at least the titular head of the family?
- Of course, inasmuch as you let us in for it in the first place.
- Do keep that note out of your voice, Tracy. It's very unattractive.
- I can't help it. It's sickening.
- As if he'd done nothing at all.
- Which happens to be the truth.
- Anyway, it's not your affair, Tracy. If it concerns anyone...
- Well, actually, I don't know whom it concerns except your father.
- That's very wise of you, Margaret.
- Oh? Then what has it to do with?
- A reluctance to grow old, I think.
[...]