Here’s a little sound, concise (very concise) advice from experienced writers.

1. “A sentence should never be cruel and unusual.”  — William C. Burton, attorney
2. “I have made this letter longer that usual because I lack the time to make it shorter.” — Blaise Pascal, mathematician
3. “Clarity begins at home.” — Edie Schwager, speaker with the American Medical Writers Association
4. “The trouble with so many of us is that we underestimate the power of simplicity.” — Robert Stuberg, author and speaker
5. “I never write metropolis for seven cents when I can write city and get paid the same.” — Mark Twain, author
6. “When writing about science, don’t simplify the science; simplify the writing.” — Julie Ann Miller, former editor of Science News
7. “This report, by its very length, defends itself against the risk of being read.” — Winston Churchill, former British prime minister
8. “All good writing begins with terrible first efforts. You need to start somewhere. — Anne Lamott, author 
9. “Good writing is clear thinking made visible.” — William Wheeler, journalist and author
10. “Easy reading is damn hard writing.” — Nathaniel Hawthorne, author