Sometimes, the hardest thing in life is to know which bridge to cross and which to burn.

可持续性不是一个部门，而是一个必须渗透到我们所创造的一切中的设计原则。

保持一颗闲适的心，随遇而安。

One should always play fairly when one has the winning cards.

经济政策应以实证证据为依据，而不仅仅是意识形态。