Pessimistic? I don't think so, he's facing the problems full on; asking hard searching questions about his chosen field and working for new insight. That is no

Pessimistic? I don't think so, he's facing the problems full on; asking hard searching questions about his chosen field and working for new insight. That is not a pessimist, that is someone who has faith that he can find a solution; even if it is not obvious to him at this time.