“Maybe the lesson is: Know when to brag and when to keep your mouth shut. Or: Sometimes life isn’t fair, even if you are as gifted as Athena. Or maybe: Don’t give away free tapestries.”
Source: Percy Jackson's Greek Gods
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Rick Riordan 1402
American writer 1964Related quotes

“Life is fraught with opportunities to keep your mouth shut.”

“Dragonfly” (p. 200)
Earthsea Books, Tales from Earthsea (2001)

As stated in, Ross Ulbricht and the Mystery of the Disappearing Silk Road Murder Charges. http://jayleiderman.com/blog/jay-leiderman-quoted-the-mystery-of-the-disappearing-silk-road-murder-charges/

“If you only ever read one book in your life… I highly recommend you keep your mouth shut.”
Attention Scum! (2001), How To Live (2005)

Philippines' Duterte makes fresh rape joke https://ph.news.yahoo.com/philippines-duterte-makes-fresh-rape-joke-143846355.html
“If you only ever read one book in your life I highly recommend… keeping your f***ing mouth shut.”
sic
Cut It Out (2004)

"Machine Gun"
Lyrics, Kaleidoscope Heart (2009)

Source: Today I Will: A Year of Quotes, Notes, and Promises to Myself