These are the six ways of courting defeat - neglect to estimate the enemy's strength; want of authority; defective training; unjustifiable anger; nonobservance of discipline; failure to use picked men.
Sun-tzu, Hagopian Institute (2008). “Art of War, Plain English Edition: One of the Greatest Strategy Books in the History of the World, Now in an Easy to Read Version”, p.64, Hagopian Institute
