Who said "Patience is a virtue, but sometimes you have to act."?

This quote is attributed to Kenny McCormick.

Patience is a virtue, but sometimes you have to act. - Kenny McCormick

"Patience is a virtue, but sometimes you have to act."

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."