But we should do something good for mankind or the planet, for a couple of hours.

5 seconds sound clip from the Clueless (1995) movie soundboard.

You can hear this line at 00:27:46.490 in the Blu-ray version of the movie.

Quote context

[...]

- How do you know if you're doing it sporadically?

- That's another thing. We've got to work on your accent and vocabulary.

- See, 'sporadic' means once in a while. Try and use it in a sentence today.

- All right.

- Okay, from now on we're alternating Cindy Crawford's Aerobicize and Buns of Steel, and reading one non-school book a week. My first book is Fit or Fat.

- Mine is, Men are from Mars, Women are from Venus.

- Good. That takes care of our minds and bodies.

- But we should do something good for mankind or the planet, for a couple of hours.

- Hey, brainiac.

- Oh. The dreaded ex.

- Tai, this is Josh.

- Nice to meet you.

- Hey! You know about this stuff.

[...]