“Clary sat back. "You don't just get to say no."
"This plan involves me! I get to say no! No."
"Simon -"
Simon patted the seat beside him as if someone were sitting there. "Let me introduce you to my good friend No.”
Source: City of Lost Souls
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Cassandra Clare 2041
American author 1973Related quotes

"A liberal pundit soars to a prominent perch," Boston Globe (September 8, 2008)

“If you can't say something good about someone, sit right here by me.”
As quoted in TIME (9 December 1966) - photograph of her with a pillow bearing the quotation http://www.usatoday.com/life/books/reviews/2007-12-12-roosevelt_N.htm
Variants:
If you haven't anything nice to say about anybody, come sit next to me.
If you haven't something good to say about someone sit right here by me.

"Very well thanks and how are you?"
"Say Goodbye" (song)
Song lyrics
Source: Gilbert O'Sullivan, "Say Goodbye" https://www.youtube.com/watch?v=NCLuE28J-WU (song on YouTube)