Be ready to keep adding to the list at odd moments as ideas continue to come to mind. Try, instead, to teach the subject to a group or class. S ee if you can find a fresh analogy that opens up a new set of ideas. Take a rest and let it all percolate. Capture your whole idea in a few sentences.
T ell it to someone in three or four sentences.
Diagram your major points somehow. M ake a tree, outline , or whatever helps you to see a schematic of what you have. You may discover the need for more material in some places. Write a first draft. T hen, if possible, put it away.