So much has been written on the subject of self-confidence that a few more observations are unlikely to draw an objection.  It seems to me that self-confidence rests on four pillars:  (1) one must accurately and honestly assess one’s value; (2) self-confidence should never veer into the territory of arrogance or insolence; (3) self-confidence must be buttressed by demonstrated experience; and (4) while all can improve in self-confidence, it is essentially a character trait that comes easier to some than to others.