There is a saying of the elders' that goes, "Step from under the eaves and you're a dead man. Leave the gate and the enemy is waiting." This is not a… - Yamamoto Tsunetomo

The eleven volumes of this book are to be burned after they are read. There are some people in this book who are still alive and this book may anger them, so make sure the book is burned. Tsunetomo said this repeatedly.

It is natural that one cannot understand deep and hidden things. Those things that are easily understood are rather shallow.

If 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.