舟水之喻

Explanation: Boats. Analogy of the boat and water, that water can carry a boat, but also overturn it. Kings of people can help build the court can also be up against the overthrow of the imperial court. 　　Source: "Three Kingdoms Wei Zhi Wang Chuan," May His Majesty the disadvantages of deep observation Higashino, pay attention to water Yu Zhou, Ben Si interest in not entirely, saving labor service in not sleepy. "