Who said "The body can be trained, but the mind must be forged."?

This quote is attributed to Bruce Wayne.

The body can be trained, but the mind must be forged. - Bruce Wayne

"The body can be trained, but the mind must be forged."

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."