any given Sunday
That would be 1999's The Insider.
No.
The Al Pacino quote "You don't know what I know" is from the movie "The Insider," released in 1999. In the film, Pacino plays a journalist who is investigating a whistleblower's revelations about the tobacco industry. The quote reflects the tension and the weight of the knowledge the character possesses in the context of the story.
American Beauty (1999).
Al Pacino
Any Given Sunday with Al Pacino, Cameron Diaz, and Dennis Quaid.
Serpico
On the Waterfront
If you are thinking of the movie, "Scent of a woman", it wasnt Robert DiNero, it was Al Pacino.
Al Pacino
Scarface
No, but he became a killer