Writers must constantly ask: what I am trying to say? Surprisingly often, they don't know.
William ZinsserI try to make what I have written tighter, stronger and more precise, eliminating every element that's not doing useful work. Then I go over it once more, reading it aloud, and am always amazed at how much clutter can still be cut.
William ZinsserWhen you're ready to stop, stop. If you have presented all the facts and made the point you want to make, look for the nearest exit.
William Zinsser