Go with the flow, and you become human; swim against it, and you become an immortal. The mystery lies in turning things upside down.
Evade Heaven's will, avoid karma, and all manner of shackles bind your true self.
Follow Heaven's will, fulfill karma, and only today do I know who I am.
Once you attain the Dao and see your true self, why fear the shackles of the past?
The shackles of this world are but a dream: formless, shapeless, and without a self.