Who said "Face your fears, and they shrink in size."?

This quote is attributed to Scooby-Doo.

Face your fears, and they shrink in size. - Scooby-Doo

"Face your fears, and they shrink in size."

Scooby-Doo Courage

"Scooby-Dooby-Doo, where are you?"

"Ruh-roh!"

"Like, zoinks!"

"Let's split up, gang!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."