Who said "You're so alone in this world. You can't help being alone."?

This quote is attributed to Peggy Olson.

You're so alone in this world. You can't help being alone. - Peggy Olson

"You're so alone in this world. You can't help being alone."

Peggy Olson Solitude

"I'm not just a secretary. I'm a copywriter."

"You're thinking about this all wrong. It's not about what you want—it's about what they need."

"I didn't come this far to be somebody's girl."

"Every time we get a chance to do something, it matters."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."