焚舟破釜

Explanation: Kettle: ancient use of the pot. Burned the vessel to break the pot. Firm can not shake the determination of metaphor. 　　Source: Southern Yan Jun "as the ancestor Xi Jingyi" do not support the military system, or Fenzhou broken kettle, steps from the Kou cooked, or Xun Ji Wuhu, into the far Yunyang. "