Who said "Fear makes us do terrible things if we let it."?

This quote is attributed to Butters Stotch.

Fear makes us do terrible things if we let it. - Butters Stotch

"Fear makes us do terrible things if we let it."

Butters Stotch Fear

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

"Aw, hamburgers!"

"You're grounded, mister!"

"I have to go do my chores now"

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."