You can't teach someone persistence. People will become sufficiently persistent to succeed only when their desire for their goal exceeds the pain and discomfort they have to endure in order to reach it.

In Chapter Nine of Sun Zi Art of War, Sun Zi mentioned the principles of deploying troops in four terrains. They are mountainous region, water bodies, salty swamps and marshes, level terrain. Now comes the second part of the series, water bodies. Read on to find out.