Locke: The Man from Tallahassee? What is that some kind of code? Ben: No John, unfortunately we don't have a code for "there is a man in my closet holding a gun to my daughter's head". Although we obviously should. ("The Man from Tallahassee")
Ben: So tell me John. How do you expect to pilot our submarine? I mean, it's a complicated piece of machinery. You don't just press “submerge”. ("The Man from Tallahassee")
Locke: Do you mind if I ask you a question? Ben: I'm a Pisces. ("The Incident, Part 1")
Jack: How can you read? Ben: My mother taught me. ("316")
Locke: Was he talking about what I think he was talking about? Ben: If you mean time-travelling bunnies, then yes. ("There's No Place Like Home, Part 2")