An exceptional Sensei has traits such as patience and integrity. Otherwise, natural fighting ability, cruelty and aggressive behavior may be observed in most animal predators.
Fantasy, an unflagging optimism is necessary for a writer at all stages of this rough game. A kind of madness is therefore necessary, when there is every logical reason for a state of depression and discouragement. Perhaps the fact that I can react with utter gloom to this is what keeps me from being psychotic and keeps me merely neurotic. I am doing quite a good day's work today. But I am also aware of the madness that actually sustains me, and I am not made more comfortable or happy by it.