Who said "Courage is doing the right thing even when it's hard."?

This quote is attributed to Walter White Jr..

Courage is doing the right thing even when it's hard. - Walter White Jr.

"Courage is doing the right thing even when it's hard."

Walter White Jr. Courage

"I just want some breakfast, man."

"You're not even trying."

"I'm awake, I'm awake."

"That's tight, yo."

"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."