Chieh / Limitation

above: K'an The Abysmal, Water
below: Tui The Joyous, Lake

The fourth [six], divided, shows its subject quietly and naturally (attentive to all) regulations. There will be progress and success.

Line 4 is weak, as it ought to be, and its subject has respect to the authority of the strong ruler in 5. Hence its good symbolism and auspice.