大萧条不是资本主义的失败，而是政府政策的失败。

I do not fear computers. I fear the lack of them.

Sustainability is not a style, it's a responsibility.

A leader does not deserve the name unless he is willing occasionally to stand alone.

A man who does not keep his word is no man at all.

跨境合作对于对抗森林砍伐和气候变化至关重要。

Diplomacy requires strategic and long-term thinking to achieve a country's long-term interests and security.

In the end, the value of a theory is not in its complexity, but in its ability to explain and predict.