Who said "The only thing we're running short on is time."?

This quote is attributed to Tony Stark.

The only thing we're running short on is time. - Tony Stark

"The only thing we're running short on is time."

Tony Stark Time

"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."

"Time waits for no one."

"Time spent with loved ones is never wasted."

"I've been alive for a long time. Long enough to know that you can't trust anyone."

"The past always catches up with you."