In reality, we have to come into contact with kitchen knives or fruit knives every day. It is undeniable that such daily necessities are also dangerous. Therefore, in addition to cooking and cutting fruits, we seldom think of the use of knives, except in extreme cases.
What is the moral of Knife? Knife symbolizes power. The superior presents to the subordinate, which means authorization and reliance on the subordinate. The subordinate presents the superior as a token of submission and loyalty to the superior.