One must know the so-called 'lesson of a downpour. A man, caught in a sudden rain en route, dashes along the road not to get wet or drenched. Once one takes it for granted that in rain he naturally gets wet, he can be in a tranquil frame of mind even when soaked to the skin. This lesson applies to everything.
Yamamoto TsunetomoIf one is but secure at the foundation, he will not be pained by departure from minor details or affairs that are contrary to expectation. But in the end, the details of a matter are important. The right and wrong of one's way of doing things are found in trivial matters.
Yamamoto Tsunetomo