The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
现在,这个世界上剩下孤零零的我一个人了。除了我和我的影子,再也没有兄弟、邻里、伙伴。
仅仅知道如何使用工具是不够的;还必须了解它们何时适用。
Quality is never an accident; it's always the result of intelligent effort.