To Vaughn: "Sydney...interesting."
"You look just like him."
"I didn't do it for you."
"The problem, Mr. Vaughn, is that to the one person that matters, you
haven't said anything."
"And between a man and a woman?"
To Sydney: "Agent Vaughn has trouble sleeping when you're in the field"
"I was a fool to think any ideology can come before my daughter."
To Jack: "I never thanked you for raising our daughter."
"When I was your wife, I would meet my case officer in his hotel room."
"Technically, we may still be husband and wife..."
To Sloane: "Never talk to me about your love for Sydney again."
There are so many more great Irina quotes but these are the only ones I can think of right now. I agree with everyone who says she's the most complex and interesting character in the show. We miss her