thus , there is no such thing as perpetual tranquility of mind while we live here because life itself is but motion , and can never be without desire , or without fear , no more than without sense.111 chapter 22 heraclitus on change contrary to that which is arbitrarily considered good or bad based upon being efficacious to a particular party , acceptable and productive behavior sanctioned by society at large , but of course often mitigated by the makeup of that society , seems to be as close to the good as a human being is able to obtain , except when acting nobly by extension from merely taking care of and aggrandizing himself and that which is his own , the parochial of his shell , to an outreach to others with no particular gain to be had .