Ambition leads me not only farther than any other man has been before me, but as far as I think it possible for man to go.
成功的关键不仅仅是努力工作，而是聪明地工作并适应变化。
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.
The human brain consists of many specialized circuits that evolved to solve specific problems our ancestors faced during our evolutionary history.
过去从未死去；它甚至不曾过去。