Who said "I will not kill. That line cannot be crossed."?

This quote is attributed to Bruce Wayne.

I will not kill. That line cannot be crossed. - Bruce Wayne

"I will not kill. That line cannot be crossed."

Bruce Wayne

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

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

"I'm whatever Gotham needs me to be."

"The mask isn't just for concealing who I am. It's for revealing the truth about who I need to be."