One can lose a good idea by not writing it down, yet by losing it one can have it: it nourishes other asides it knows nothing of, would not recognize itself in, yet when the negotiations are terminated, speaks in the acts of that progenitor, and does recognize itself, is grateful for not having done so earlier.
What do I mean by concentration? I mean focusing totally on the business at hand and commanding your body to do exactly what you want it to do.