Who said "Sometimes you need to be alone to understand yourself."?

This quote is attributed to Peter Quill.

Sometimes you need to be alone to understand yourself. - Peter Quill

"Sometimes you need to be alone to understand yourself."

Peter Quill Solitude

"I have one request. And it's a simple one. Come with me."

"Whatever it takes. We're getting out of here."

"You're welcome. By the way, I got your back."

"I may be an idiot, but I'm not stupid."

"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."