"Those who think most of some subject are usually not skilled in it. Either they are slow witted or not talented in it or they have some need unmet and that is why they spend time thinking of the subject, like the hungry tend to think of food and those who eat unhealthily may be obsessed with food thoughts, and like people when they run to some problem, spend time thinking about a solution to it. Instead those who think the subject through but do it very quickly among other things and do not spend time in the subject, typically know it well, especially if their understanding and ways of living tend to be good in such respects."
(A quotation from my blog http://feelingcomputers.blogspot.fi
from the text about commenting on building a virtual world, in the
sense of governing the societies by a computer network guided by
people's pictures of the world)
Advices about learning thinking and intelligence http://quickerlearning.blogspot.fi and more in Finnish at http://pikakoulu.blogspot.fi .