Well, in any major city, minding your own business is a science.
— William Somerset (Morgan Freeman)
4 seconds sound clip from the Se7en (1995) movie soundboard.
You can hear this line at 00:40:29.243 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah, well, for now, let's just consider that the books were the killer's inspiration.
- The sermons were about atonement for sin.
- These murders are like forced attrition.
- Attrition. It's when you regret your sins, but not because you love God.
- Oh, like because someone's sticking a fucking gun in your face.
- Nope.
- Yup.
- And no witnesses of any kind.
- Which I don't get. Because the fucker had to get back out.
- Well, in any major city, minding your own business is a science.
- He must've left another puzzle piece.
- You know what? Thank you for talking this out, but I gotta sleep. Gotta walk the dogs.
[...]