Bad Writing Advice

QUESTION:  What is the worst writing advice you have ever received?

I can't think of any poor advice I've received on writing.  Even inaccurate information has its value because it makes me figure out why the information is wrong.

I've had plenty of poor advice on the business of writing, however.  Several trusted writing friends inadvertently suggested publishers who turned out to be crooked or incompetent.

Does anyone else have some stinky advice they've received they'd like to share?

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QUESTIONS?  I take questions, both long and ridiculously short, about the publishing business and the writing quest.  Please ask.