发现的快乐无疑是推动科学前进的动力。

In the beginning there was nothing, which exploded.

Overfishing is a theft from future generations.

The best way to predict the future is to create it.

The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to go to war with one another.

我们知道的越多，就越意识到自己知道的多么少。