A warrior should not say something fainthearted, even casually. He should set his mind to this beforehand. Even in trifling matters the depths of one's heart can be seen.
Yamamoto TsunetomoWhen one is writing a letter, he should think that the recipient will make it into a hanging scroll.
Yamamoto TsunetomoIf a retainer will just think about what he is to do for the day at hand, he will be able to do anything. If it is a single day's work, one should be able to put up with it. Tomorrow, too is but a single day.
Yamamoto Tsunetomo