Zongtian Ji

Heaven and earth are furnaces, and all things are copper. Yin and Yang are charcoal, and nature is work. Mortals are humble, true immortals are troubled, Taoists are delusional, and they look at all living beings from a distance ascetics. Occasionally, those who are detached become free and at ease. Those who are at ease can wander through the heavens and travel in all realms. If they want to be happy for a long time, they should practice true cultivation.