Green development is not just a responsibility but also an opportunity.

国际体系的无政府性质迫使各国将自身生存置于一切之上。

All human knowledge is from experience.

I came up from the bottom, now I'm here.

Winning medals wasn't the point of the Olympics. It's the participating that counts.

The most valuable resource we have isn't in the ground - it's the people who show up every day to do the work.

人格在你20多岁时比在人生的任何其他时期都更容易改变。

I make music for the people who believe in me.

在数学中，你不理解事物。你只是习惯它们。

Sustainability must be profitable, or it won't be sustainable.