Eve Kendall: Roger O. Thornhill. What does the O stand for?Roger Thornhill: Nothing.
Eve Kendall: How do I know you aren't a murderer?Roger Thornhill: You don't.Eve Kendall: Maybe you're planning to murder me right here, tonight.Roger Thornhill: Shall I?Eve Kendall: Please do.
Roger Thornhill: What's wrong with men like me?Eve Kendall: They don't believe in marriage.Roger Thornhill: I've been married twice.Eve Kendall: See what I mean?
Roger Thornhill: When I was a little boy, I wouldn't even let my mother undress me.Eve Kendall: Well, you're a big boy now.