Generally I think Isabela is a very underdeveloped, two dimensional character (****, basically), but she was the also the only one who came out with conversations that brought me up short - though that's possibly because I had such a low opinion of her generally:
■Anders: Do you ever have any regrets?
■Isabela: About what?
■Anders: Anything? Everything? I can't figure you out.
■Isabela: The past's past. I learned that young. If it can't bring you gold or giggles, what's the point in dwelling on it?
■Anders: Maybe the chance to fix a mistake? Make things right again?
■Isabela: Eh. Our mistakes make us who we are.
■Anders: That was almost profound.
Then there are these exchanges between her and Avenline:
■Aveline: How are you so successful with men? You're not that pretty.
■Isabela: Cast a wide enough net, and you're bound to catch something.
■Aveline: (Laughs) At least you're willing to admit it.
■Isabela: Trust me. I've heard, "Get away from me, you pirate hag!" more times than I care to count.
■Aveline: Doesn't that bother you?
■Isabela: Why should it? They don't know me. I know me.
───────
■Aveline: You're right.
■Isabela: About?
■Aveline: About knowing who you are.
■Aveline: I'm the captain of the guard. I'm loyal, strong, and I don't look too bad naked.
■Isabela: Exactly. And if I called you a mannish, awkward, ball-crushing do-gooder, you'd say...?
■Aveline: Shut up, ****.
■Isabela: That's my girl.
Yes, she really could have been a great character. Just a pity 95% of her dialogue is basically just: 'Let's have sex'.
I did also chuckle at:
Isabela: I like big boats, I cannot lie.