There is at least a kernel of truth in the narratives of both the left and the right,
but they too often overlook a major piece of the mobility puzzle: character.
Just as there are gaps by class in academic attainment and physical health,
there are gaps in levels of prudence and drive, as well as other "non-cognitive"
skills such as empathy, openness, and self-esteem. These disparities in the development
of character strengths are both a cause and consequence of inequality.
Drive and prudence in particular improve an individual's chance of success in life,
and being raised among those with drive and prudence improves one's chance of acquiring
such traits.
Character thus becomes a self-reinforcing quality that develops, in part,
along class lines.
출처: http://www.nationalaffairs.com/publications/detail/the-new-politics-of-character