What's this deal with virtue?

The real case for the virtue in humility best be explained by the following.
Of all of life's experiences, every "life changer" shows up at the door "unexpectidly".

The idea is to have serendipiteous game changers, those "Oh that's a nice surprise"ones and "humility" as a general life approach is "the way" to "Get 'er done"! I:=).....Pop'