But you have a pleasant evening. Good night.

4 seconds sound clip from the The Nutty Professor (1996) movie soundboard.

You can hear this line at 01:08:11 in the Blu-ray version of the movie.

Quote context

[...]

- All right, professor Love. You have one minute to show me your research.

- Oh, no, you got it backwards, Rockefeller. You have one minute to listen.

- May I borrow this, please? You haven't used it, have you? Don't want to get your boogers on my fingers.

- Okay. Here we go. 25N times C...

- You have to excuse my handwriting. I'm in a bit of a rush.

- But you have a pleasant evening. Good night.

- Professor Love, don't you think Mr. Hartley would like to know what that means in lay terms?

- Oh, you mean rich-dummy terms? Okay, yeah. I'll break it down for all the rich dummies in the room. Listen up.

- If you gonna eat nasty stuff like this... I know it looks good, and some of y'all like pork chops...

- This greasy, nasty pork chop, do you realize that there's a gene in your DNA that routes this straight to your fat cells, anditoauses all sorts of unsightly conditions?

[...]