数学不是一项观赏性运动。

Only those who will risk going too far can possibly find out how far one can go.

Collaboration across sectors is essential to achieving meaningful progress in emissions reduction.

译文：从书本上得到的知识，体会很浅薄，要透彻地了解某件事，一定要亲身实践不可。赏析：做任何事，我们不仅要学习理论知识，还要亲身实践。事情的难与易，对与错，只有自己去做了后才有发言权。

Life is too short for long-term grudges.

写作是重新获得自己身份的一种方式。