机变如神

Explanation: Machine changes: witty, contingency. Contingency wit, magic and unpredictable. 　　Usage: Partial official; as predicate; that contingency wit, marvelous and unpredictable 　　Source: Lu Song, "Southern Tang Qi Qiu book Biography of Song": "Shi Yan Jiangnan elite of thousands, while the Yangtze River natural moat, but when thousands; State Lao Song Qi Qiu, machine changes, such as God, but when thousands."