Who said "The greatest creation is the self."?

This quote is attributed to Iron Man.

The greatest creation is the self. - Iron Man

"The greatest creation is the self."

Iron Man Creativity

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"I'm not the one who should be worried."

"This is the most important thing I've ever done."

"When life gives you lemons, make something beautiful."

"Creativity knows no bounds."

"Creativity is the expression of the soul."

"I'm making this up as I go."