Originally Posted by
munenori2
I'm assuming you're asking about the insight?
I was refering to your observations of his ardent desire to achieve and produce results as the conscious work of his life. While not in itself indicative of his type, what we choose to direct our energies towards effectively is, and I think you hit upon a motivation of his (though it would seem rather foreign to your own view of the world). Is that helpful at all? :D
In socionics terms, I think this is an argument for ego Te of some type (maybe more so leading than creative, given the naturalness and pervasiveness of it all). I would think that given his biography this would narrow it down somewhat, perhaps to ExTj.