Literature Reference: 怅矣舟壑迁，悲哉年祀倏。——《郢城怀古》 Sorrowfully, the boat and ravine have shifted; sadly, the years and sacrifices have swiftly passed. Source from 'Ying Cheng Huai Gu'.
舟: The Ark, a vessel.
壑: Deep valley, profound ravine.
Meaning: The passing of time is like a boat traversing a ravine, symbolizing the swift passage of time and the changes of the world.