Who said "I've learned that patience is a very important virtue."?

This quote is attributed to Butters Stotch.

I've learned that patience is a very important virtue. - Butters Stotch

"I've learned that patience is a very important virtue."

Butters Stotch Patience

"I'm not bad, I'm just drawn that way"

"Aw, hamburgers!"

"You're grounded, mister!"

"I have to go do my chores now"

"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."