草木的阴阳也是平衡的,如果缺少一方就不会繁茂。
怎么会有不用同道的人而只用与自己意见相同的人的道理呢? 
"The writer's job is to be a witness to his time."
Documentation is like term insurance: It satisfies because almost no one who subscribes to it depends on its benefits.
Safety is the lifeline of the petroleum industry; it must never be neglected.