Shakespeare is the guy you're thinking of. I'm not sarcastic just needed to add extra stuff to fill the 20 characters minimum
Idiom is an expression particular to a region
An unreliable narrator is someone in which tells the reader a version of a story that cannot be taken true, or reliable.
The effect given off by an unreliable narrator could be incorrect or biased. Unreliable narrators are also keen to persuade readers into believing them.
Well, unregulated power can lead to greed and zero mercy for those within your peasant realm. Great unhealthy amounts of cruelty, and etc.
