Intro to this film - "You know what Hollywood is, its [censored]. . .no, i'm not some wannabe film maker searching through a haze of bong smoke, no. . ." as he smokes cigar (makes references to Scarface and Dog Day Afternoon

My former post referred to Swordfish

Clint Eastwood - Magnum Force (I think it's the second Dirty Harry movie) at the end after he kills the bad guy, he says:

A man's got to know his limitations.

But wait, that's not the last line in the movie:

[at end of main titles] This is a 44. Magnum, the most powerfull handgun in the world. It can take your head clean off. You've got to ask yourself one question, Do I feel luky?
[fires at the audience]