土壤的健康决定了牲畜的健康——永远不要忘记这一点。

The creation of a modern state is a complex and difficult process that requires the development of strong institutions.

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

Persistence in the face of failure is what separates successful scientists from the rest.

讽刺是反思的快乐，也是智慧的喜悦。

The greatest inventions are those which most directly meet the wants of mankind.

自由民主的传播和世界经济的整合是推动世界走向历史终结的两大主要力量。