Socrates said that, 'An unexamined life is not worth living'. While that is true, one should look up from time to time at the world beyond one's own navel.
Much is said about the importance of self love - but that relationship should not be exclusive.
If expressing anger, offense, and scorn are the only arrows in one's quill, they should be used infrequently and judiciously - lest others simply learn indifference.
If one will scorn others for not following a set of rules, it is only fair that these rules are communicated first.
