宇宙的运动是永恒的。

Collaboration across borders and disciplines is essential for the advancement of the Internet.

我坐在黑暗中。很难弄清楚什么更糟糕：里面的黑暗还是外面的黑暗？

The most important part of teaching is to teach what it is to know.

每一滴海水都承载着地球的历史。