It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.

I define nothing. Not beauty, not patriotism. I take each as it comes, and I leave it as it goes.

全球贸易的未来取决于主要经济体能否在WTO框架内调和分歧。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

比无知更危险的只有傲慢。