My dear lady, if I suggest that we try to find some other method, it is only because I happen to be completely impervious to physical pain. And I can't stand the thought of spoiling your pleasure.

— Pseudolus (Zero Mostel)

13 seconds sound clip from the A Funny Thing Happened on the Way to the Forum movie soundboard.

You can hear this line at 00:08:49 in the Blu-ray version of the movie.

Quote context

[...]

- Now, what can we devise? Something suitable and lingering.

- Madame, may I suggest...

- You may not.

- Hang the poor wretch and have done.

- Hanging is too good for him.

- Much too good.

- By the feet?

- That doesn't hurt much.

- Hanging by the feet, upside down, while being lashed. They hate that.

- They should hate that.

- My dear lady, if I suggest that we try to find some other method, it is only because I happen to be completely impervious to physical pain. And I can't stand the thought of spoiling your pleasure.

(Pseudolus screaming in pain)

- I thought you were completely impervious to pain?

- Not my own.

- Ah! You like him?

- I like him.

- You have him.

- Congratulations, your life has been spared. May it be long, healthy and productive.

[...]