理解的提高有两个目标：首先，我们自己的知识增长；其次，使我们能够将这些知识传递给他人。

Nature tends to produce constancy in all her works, but she does not always succeed.

The future of energy lies in balancing immediate needs with long-term environmental goals.

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself.

毫无疑问，美丽女人的死亡是世界上最富有诗意的主题。

你应该向你的竞争对手学习，但永远不要抄袭。抄袭你就会死。