The beauty of mathematics lies in its ability to simplify the complex.

Economic theory provides the tools, but real-world testing refines them.

The dog is a friend of man because it judges him not by his station.

Leadership in energy means balancing today’s needs with tomorrow’s challenges.

世界是一个迷宫，我们都在试图找到出路。

因此，人们联合成立共和国、置身于政府之下的伟大和主要目的是保护他们的财产。