1. Don Draper:

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"The reason you haven't felt it is because it doesn't exist. What you call love was invented by guys like me, to sell nylons. You're born alone and you die alone and this world just drops a bunch of rules on top of you to make you forget those facts. But I never forget. I'm living like there's no tomorrow, because there isn't one."

2. Don Draper To Peggy after giving birth:

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" Peggy, listen to me. Get out of here and move forward. This never happened. It will shock you how much it never happened."

3. Lane Pryce:

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"Am I to entertain your ballad of dissatisfaction, or has something actually happened? Because I am at work, dear."

4. Joan Harris:

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"This isn't China, There's no money in virginity."

5. Betty Draper:

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"As far as I’m concerned, as long as men look at me that way, I’m earning my keep."

6. Joan Harris to Peggy Olson:

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"No matter how powerful we get around here, they can still just draw a cartoon. So all you've done is prove to them that I'm a meaningless secretary, and you're another humorless bitch."