Who said "A simple act of kindness can change someone's whole day."?

This quote is attributed to Butters Stotch.

A simple act of kindness can change someone's whole day. - Butters Stotch

"A simple act of kindness can change someone's whole day."

Butters Stotch Kindness

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

"Aw, hamburgers!"

"You're grounded, mister!"

"I have to go do my chores now"

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."