The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.

"Hope is the thing with feathers that perches in the soul."

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

事实上，我不知道我的想法从何而来。我所知道的是，当我不刻意去想它们时，它们就会出现。