^ It's a drawing by an Argentinian cartoonist called Quino. Here it is, big enough to see in detail:-
I like it because it shows a guy happily drawing a box around himself for protection, but what's immediately obvious is that he is willfully constricting himself. That's the story of our life, man! What we struggle to construct to keep ourselves safe becomes our prison - materially, intellectually and emotionally.
And how about you, windsock, who's the guy in your avatar, and why Mr. Impossible?