我不是囚徒,我是自由的灵魂。
I'm not a prisoner, I'm a free spirit.
If you don't take risks, you can't create a future.
Climate models are like time machines - they allow us to peer into possible futures.
大约99%的时候,最佳时机就是现在。
The time factor is more important than price.
The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.
即使在艰难时刻,我也总是努力保持积极。