“What happens is, as I get older, the chances I’m going to play well go down. When I was 30 there was, like, a one-in-two chance. By the time I was 40 it was more like one in three or one in four.” He used to focus on personal achievement, but as he can no longer achieve so much personally, he’s switched to trying to figure out how to make his team win. In his decline he’s maintaining his relevance and sense of purpose.

http://www.vanityfair.com/politics/2012/10/michael-lewis-profile-barack-obama