classes:  lecturer. The time of study is not guaranteed, there are no sufficient learning tools, learning to ride horses, watching flowers does not demonstrate the spirit of martial arts.  curriculum. The time of study is not guaranteed, there are no sufficient learning tools, learning to ride horses, watching flowers does not demonstrate the spirit of martial arts.  facility. The time of study is not guaranteed, there are no sufficient learning tools, learning to ride horses, watching flowers does not demonstrate the spirit of martial arts.  general. The time of study is not guaranteed, there are no sufficient learning tools, learning to ride horses, watching flowers does not demonstrate the spirit of martial arts.