To overcome the body's limitations, there is something even more important than the elixir of life and mastery of the Daoist arts--one must maintain a primitive simplicity.
但想超越生命的有限性，除了問道於不死藥、勤加修煉形體，更須保求性命全真。漢朝班固《漢書．藝文志》裡特立「神仙家」一欄，指出神仙者，保存性命本真，消除生死界線為業。