Who said "Sometimes you need solitude to find yourself."?

This quote is attributed to Kenny McCormick.

Sometimes you need solitude to find yourself. - Kenny McCormick

"Sometimes you need solitude to find yourself."

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."