If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law.

We have a responsibility to future generations to leave the planet in better shape than we found it.

解释：拥有绝色美貌的人，完全能够祸乱人的情志。

对于一个将一生奉献给某项事业的工程师来说，世界上最糟糕的事情莫过于有人剽窃它并署上自己的名字。