If you want something done right, do it yourself.

能源效率是我们减少排放过程中默默无闻的英雄。

形容曹雪芹的文笔如龙腾虎跃，气势非凡。

可持续的森林是既能支持野生动物又能维持生计的森林。

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

你最不满意的客户是你最大的学习来源。

The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.

人性中最深刻的原则是对被欣赏的渴望。

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized."