我们唯一需要害怕的就是害怕本身。
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.
The true value of a tree isn't in its board feet, but in its roots and reach.
新市场的开放,无论是国内还是国外,以及从手工作坊和工厂到美国钢铁公司等企业的组织发展,都说明了同样的工业突变过程——如果我可以用这个生物学术语的话——它不断地从内部革新经济结构,不断地摧毁旧的经济结构,不断地创造新的经济结构。