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I didn't think I was ever going to get a sensible question.

Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.

采礦的可持續性不是一種選擇，而是我們的經營許可證。

世界尊重那些敢于與眾不同的人。

One can't proceed from the informal to the formal by formal means.

The most important skill in mathematics is the ability to ask the right questions.

Our capacity to draw happiness from aesthetic objects or material goods in fact seems critically dependent on our first satisfying a more important range of emotional or psychological needs, among them the need for understanding, for love, expression and respect.

I don’t like to do easy things. I like to do things that are challenging and that push me.

友情は、時には言葉を超えた理解を生む。