Who said "The Arc Reactor can change the world."?

This quote is attributed to Tony Stark.

The Arc Reactor can change the world. - Tony Stark

"The Arc Reactor can change the world."

Tony Stark

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"Sometimes you gotta run before you can walk."

"I'm not saying I'm Batman. I'm just saying nobody's ever seen me and Batman in the same room."