Who said "The path I've chosen is solitary, but it is righteous."?

This quote is attributed to Batman (1989).

The path I've chosen is solitary, but it is righteous. - Batman (1989)

"The path I've chosen is solitary, but it is righteous."

Batman (1989) Courage

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

"I am vengeance, I am the night, I am Batman."

"Criminals are a superstitious and cowardly lot."

"I have one rule."

"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."