If a warrior is not unattached to life and death, he will be of no use whatsoever. The saying that โAll abilities come from one mindโ sounds as though it has to do with sentient matters, but it is in fact a matter of being unattached to life and death. With such non-attachment one can accomplish any feat.
Yamamoto TsunetomoA real man does not think of victory or defeat. He plunges recklessly towards an irrational death.
Yamamoto Tsunetomo