Read the text from Richard Wilhelm's and subsequent translations of the I Ching
28 – Twenty-Eight Ta Kuo / Critical Mass
The Flood rises above the tallest Tree: Amidst a rising tide of human folly, the Superior Person retires to higher ground, renouncing his world without looking back.
Any direction is better than where you now stand.
Several high-priority concerns demand immediate attention. All are crucial. None will be denied. Yet some demand the denial of others. Like two atoms seeking to occupy the same space, these irresistible forces and immovable objects threaten to ignite a cataclysm that could irreversibly alter your world. This is no time for fatal heroics. You are at Ground Point Zero. Remove yourself from this situation without delay. Find sanctuary. Later you may deal with these concerns on your own terms, from a position of strength.
Nine in the second place means: A dry poplar sprouts at the root. An older man takes a young wife. Everything furthers.
Wood is near water; hence the image of an old poplar sprouting at the root. This means an extraordinary reanimation of the processes of growth. In the same way, an extraordinary situation arises when an older man marries a young girl who suits him. Despite the unusualness of the situation, all goes well. From the point of view of politics, the meaning is that in exceptional times one does well to join with the lowly, for this affords a possibility of renewal.