Vast Mountains and Seas

I vaguely saw a swordsman in his prime among the crowd. He slowly put away his sword and stepped out on his own path. So there is a knight who drinks and sings wildly in this world. He hides on the back of his sword, cuts through thorns and thorns, establishes his mind for the world, establishes his destiny for the people, inherits his unique knowledge for the saints, and creates peace for all generations!