Who said "I became a student before I became a master."?

This quote is attributed to Bruce Wayne.

I became a student before I became a master. - Bruce Wayne

"I became a student before I became a master."

Bruce Wayne Education

"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."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."