In addition, because the sword is a general of hundreds of soldiers, the ancients thought that the sword had the virtue of a gentleman, so the sword holder was a gentleman.
The sword is sharp and straight, for the sake of integrity.
The sword is generally put into the sheath without hurting people, which is righteous.
Sword is a personal weapon to protect master and brave.
Therefore, those who wear swords should be upright, righteous and brave.