The Dao: the heartless Dao and the compassionate Dao. Those who cultivate the Dao defy Heaven. Beneath the Great Dao, all are ants. Above the Nine Heavens, at the end of the Great Dao, even a sage is little more than a slightly larger ant. See how Zhang Jian grows from a tiny ant into a slightly bigger ant, then gradually ceases to be an ant and rises above the Great Dao, all along the path to the Nine Heavens.
Say little of the path to the Nine Heavens; compassion and indifference are both in vain. Once free of the cage, all things flow naturally in the eternal Dao.