"Those who understand Tao," answered the Spirit of the Ocean, "must necessarily apprehend the eternal principles above mentioned and be clear as to their application. Consequently, they do not suffer any injury from without. "The man of perfect virtue cannot be burnt by fire, nor drowned in water, nor hurt by frost or sun, nor torn by wild bird or beast. Not that he makes light of these; but that he discriminates between safety and danger. Happy under prosperous and adverse circumstances alike, cautious as to what he discards and what he accepts;—nothing can harm him. "Therefore it has been said that the natural abides within, the artificial without. Virtue abides in the natural. Knowledge of the action of the natural and of the artificial has its root in the natural, its development in virtue. And thus, whether in motion or at rest, whether in expansion or in contraction, there is always a reversion to the essential and to the ultimate." "What do you mean," enquired the Spirit of the River, "by the natural and the artificial?" "Horses and oxen," answered the Spirit of the Ocean, "have four feet. That is the natural. Put a halter on a horse's head, a string through a bullock's nose,—that is the artificial. "Therefore it has been said, do not let the artificial obliterate the natural; do not let will obliterate destiny; do not let virtue be sacrificed to fame. Diligently observe these precepts without fail, and thus you will revert to the divine." The walrus envies the centipede; the centipede envies the snake; the snake envies the wind; the Wind envies the eye; the eye envies the mind;

He who has in himself abundantly the attributes (of the Tao) is like an infant. Poisonous insects will not sting him; fierce beasts will not seize...