我认为没有什么比发明家看到自己头脑中的创造逐渐走向成功时所感受到的激动更能震撼人心的了……这样的情感让人忘记食物、睡眠、朋友、爱情,忘记一切。
Marxian Socialism must always remain a portent to the historians of Opinion — how a doctrine so illogical and so dull can have exercised so powerful and enduring an influence over the minds of men, and, through them, the events of history.