“If you must speak ill of another, do not speak it; write it in the sand near the water’s edge.” ~ Napoleon Hill (born October 26, 1883 to November 8, 1970)
Napoleon Hill was an American author. He wrote Think and Grow Rich (1937), a perennial best seller which according to Wikipedia has sold more than 30 million copies.
[Source: tweet by @motivatquotes on Twitter circa October 28, 2010. Dates and biographical information from Wikipedia, accessed November 5, 2010.]
Andrew Shattuck McBride, Writer's Blog 
Great advice! Love it — “If you must speak… don’t speak”– aka, “Shut it.” My mom always said, “You have TWO ears and ONE mouth for a reason.”
Write on!
Carolyn
Hi Carolyn, your Mom was wise!
Press on with your writing! Blessings, Andy