Who said "Sometimes you need to be alone to figure out who you are"?

This quote is attributed to Kenny McCormick.

Sometimes you need to be alone to figure out who you are - Kenny McCormick

"Sometimes you need to be alone to figure out who you are"

Kenny McCormick Solitude

"Mmph mmph mrmph!"

"I'm not fat, I'm just big boned"

"Dude, we're in third grade"

"This is so cool"

"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."