Who said "The work of a hero is never finished."?

This quote is attributed to Bruce Wayne / Batman.

The work of a hero is never finished. - Bruce Wayne / Batman

"The work of a hero is never finished."

Bruce Wayne / Batman

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

"The night is darkest just before the dawn."

"Fear is a tool. When that light hits the sky, it's not just a signal. It's a warning."

"I won't kill you, but I don't have to save you."