Who said "Patience is strength, not weakness."?

This quote is attributed to Kenny McCormick.

Patience is strength, not weakness. - Kenny McCormick

"Patience is strength, not weakness."

Kenny McCormick Patience

"Mmph mmph mrmph!"

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

"Dude, we're in third grade"

"This is so cool"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."