Whoever R is he is not very well educated. Incorrect use of apostrophe in "grey's" - should be "greys" as is plural not possessive.
Also incorrect use of "penance". "Penance" is self-inflicted punishment performed by the guilty party; in the contect used here, "vengeance" is more likely what was intended.
>Your use of semi-colon and quote marks are wrong.
They are not.
You should have put a comma before R as well.
No comma required before R.
Quotation marks correctly used - I was quoting.
Nothing wrong with my use of dashes.
https://writingcenter.unc.edu/tips-and-tools/semi-colons-colons-and-dashes/
"1. To set off material for emphasis.
Think of dashes as the opposite of parentheses. Where parentheses indicate that the reader should put less emphasis on the enclosed material, dashes indicate that the reader should pay more attention to the material between the dashes. Dashes add drama—parentheses whisper. Dashes can be used for emphasis in several ways:
A single dash can emphasize material at the beginning or end of a sentence.
Example: After eighty years of dreaming, the elderly man realized it was time to finally revisit the land of his youth—Ireland.
Example: “The Office”—a harmless television program or a dangerously subversive guide to delinquency in the workplace?"