Everynbody tries not to reveal his weaknesses, so that he may not be ridiculed. Specially before the enemy. One's weakpoits shold not be revealed. Becaues ohe canstrike on those to ruin us. So one shold remain strong before the enemy.
For the protection of state and welfare of the people, a ruler shold collect all types of wealth. By suing devices of sama, dama , danda, bheda , he shold increase income of the state, strong administration helps in collecting different type of taxes fro exchequer.