Who said "It's not who I am underneath, it's what I do that defines me."?

This quote is attributed to Catwoman.

It's not who I am underneath, it's what I do that defines me... - Catwoman

"It's not who I am underneath, it's what I do that defines me."

Catwoman Courage

"Don't be afraid. Fear is a tool. They use it against you. But if you practice it, master it, you own it."

"You know what your problem is? You always want to save everyone."

"There's no place in this world for people like you and me."

"I'm not what you'd call a 'people person.'"

"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."