Inky paw prints presumably left by a curious kitty on a 15th century manuscript.
From National Geographic.
rule number 1: You never ever tell someone to kill themselves
rule number 2: You never tell someone that they are fat
rule number 3: You never tell someone that they are thin
rule number 4: You never judge someone and point their flaws
rule number 5: If you don’t have anything nice to say just shut the hell up