Writing is linear and sequential; Sentence B must follow Sentence A, and Sentence C must follow Sentence B, and eventually you get to Sentence Z. The hard part of writing isn't the writing; it's the thinking. You can solve most of your writing problems if you stop after every sentence and ask: What does the reader need to know next?
William ZinsserWriters who think THEY are being criticized when only that writing is being criticized are beyond a teacher's reach. Writing can only be learned when a writer coldly separates himself from what he has written and looks at it with the objectivity of a plumber examining a newly piped bathroom to see if he got all the joints tight.
William ZinsserNever say anything in writing that you wouldn't comfortably say in conversation. Be yourself when you write. If you're not a person who says 'indeed' or 'moreover,' or who calls someone an individual ('he's a fine individual'), please don't write it.
William Zinsser