- Not very original. That particular theory has become rather a tired Freudian cliche.
- But true.

6 seconds sound clip from the The Pink Panther (1963) movie soundboard.

You can hear this line at 00:25:42.466 in the Blu-ray version of the movie.

Quote context

[...]

- Oh, don't be silly. Charles doesn't mind. Everyone takes a potshot at Charles sooner or later.

- Go ahead, ma'am, shoot.

- Any middle-aged bachelor who has never desired the basic rewards of wife and family, and occupies the major portion of his life making one conquest after another, is trying to prove something he can never possibly prove.

- What's that?

- That he's a man.

- Wow! You're joking!

- It's somewhat complicated, but basically sound.

- Not very original. That particular theory has become rather a tired Freudian cliche.

- But true.

- I wouldn't know. I've never been on the couch.

- Not true. That's part of your problem.

- How refreshing to find royalty possessed of such a perceptive wit.

- Well, Charles, are you going to take that lying down?

- Yes, as a matter of fact.

- Ma'am, my leg is hurting rather badly. May I be excused?

[...]