Who said "That's the difference between you and me - I know what I am."?

This quote is attributed to Iron Man (The Avengers).

That's the difference between you and me - I know what I am. - Iron Man (The Avengers)

"That's the difference between you and me - I know what I am."

Iron Man (The Avengers) Truth

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"If you're nothing without the suit, then you shouldn't have it."

"I've successfully privatized world peace."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."