There's that unwritten schism that literary writers get all the awards and commericals writers get all the success.
You do not know our culture our ethics or the unwritten codes that already provide our society more order than could be obtained by any of your impositions.
A state that suppresses all freedom of speech and which by imposing the most terrible punishments treats each and every attempt at criticism however morally justified and every suggestion for improvement as plotting to high treason is a state that breaks an unwritten law.
There is a misleading unwritten rule that states if a quote giving advice comes from someone famous very old or Greek then it must be good advice.
It is no longer an unwritten law of American capitalism that industry will attempt to maintain wages at a level that allows a single wage to support a family.
I'm always amazed when a pitcher becomes angry at a hitter for hitting a home run off him. When I strike out I don't get angry at the pitcher I get angry at myself. I would think that if a pitcher threw up a home run ball he should be angry at himself.