I study Book of Songs 122: Little Iron Sword

The human heart has a sword, unsheath it to keep your dignity.
The kind little iron sword contains great wisdom.
If a person has no ambition, his swordsmanship will be reduced to the lowest level.
In early childhood education, the light comes with the sword.

In Gu Long's martial arts novels, there is an idea: when practicing sword practice, you only need to practice one move. It is fast, accurate, and ruthless, and no one can break it. One move is enough. My Youci, let me teach you a trick to be the best person you can be. Although this kind of sword technique cannot kill people, it can save people from sinking in the sea of ​​suffering. The sea of ​​suffering is superstition, which makes people unable to extricate themselves. The little iron sword in Youci's heart is wisdom, and I hope you can use it to bring light.