Sean Penn's really the only one stupid enough to put anything down on paper.
This quote humorously suggests that revealing one's thoughts publicly or in written form can be seen as an act of vulnerability or foolishness. It highlights the idea that speaking frankly or openly in writing might be considered risky or unnecessary, yet it's an essential part of communication and self-expression. While it can be taken as a joke, it also underscores the courage needed to put one's ideas or emotions into words, especially considering the potential for criticism or misunderstanding.