“- Lucien Cordier: What's wrong? You know I have to.
- Vendredi: But Captain, I trusted you. You're different from other white men.
- Lucien Cordier: There's your mistake.”

Philippe Noiret - Lucien Cordier
Samba Mané - Vendredi - un noir qui en sait trop

“You know who gave Hitler his power? The clerks and the bookkeepers, the civil servants. I have this one weakness: I believe in a just God. I always seem to err on the side of democracy. No matter what anyone tells you there'll be no one you can really trust. I'm afraid when all is said and done we're all just clerks too.”

Robert De Niro - Bill Sullivan

You said hadn't. That's bad grammar. You should have said, "You haven't been a trustworthy person".

Meryl Streep - Aunt Josephine

“- Alden Pyle: I trusted you. Thomas.
- Thomas Fowler: Always a mistake with a woman involved.”
Brendan Fraser - Alden Pyle
Sir Michael Caine - Thomas Fowler

“I think I made the age-old mistake: never trust a beautiful woman.”
Dennis Haysbert - Detective Larry McBain