16.9-12 Etam etc. upto arthasancayam :  Their anxiety ends only at the time of dissolution i.e. never ceases, becaue the rise and dissolution never end.  This much alone :  For them the highest goal to be achieved is but the gratification of desires, and when this (aim) is just ruined, there arises anger.  Hence the Lord says 'Devoted to their craving and anger'.