Man's search for meaning is the primary motivation in his life.
释义:不考虑在安逸的环境中要想到危难,用节俭来戒除奢侈,不使自己的道德处于深厚的境界,不能使自己的情欲战胜物质欲望,这就像砍伐树木的根却想要树木长得茂盛,堵塞水的源头却想要水流得长远一样荒谬。 
When you gaze long into the abyss,the abyss also gazes into you.
In the field of diplomacy, there are no absolute victories, only relative victories.