贞松劲柏

Explanation: Jin faithful to the pines and cypresses straight analogy noble moral integrity of people. 　　Source: Jin Yuan "title Shi Yuqing doctor describing snow rock four of residence," Park Jung slack seasons of spring, Ji-moon wind Isshiki new. " 　　Examples: Chaos when the world crisis, then the martyrs in the name of loyal, cold of winter frost and snow, and then to know ~ the exercise. ★ Ming Lu Tree Sound "Mao other miscellaneous knowledge"