A Reddit contributor posted this picture of the office of a professor. According to the contributor, he was rarely in his office so he put this poster over the door as an alternative to being present.
If this is true, this academic has achieved a level of perfection only dreamt of by most faculty members. I remember that when I got tenure, I brought in a bucket of water the next day with a piece of wood in it. When people would ask, I would explain that I was studying dead wood for my post-tenure stage.