The world is a mirror, and we see in it what we are.

The dead have left us clues in their DNA.

Global food security starts with local action and collaboration.

建立信任需要时间，但它是每一段牢固关系的基础。

最有效的领导者是那些以身作则的人。

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

To do mathematics is to engage in an act of creation and discovery simultaneously.