1925年，孙中山在病榻前对张学良说，指出苏联是红色帝国主义。
救灾建筑必须足够简单，让灾民能够自己建造。
A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.
