我不喜欢被定义。

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

人类不是存在物的主人，而是存在的牧羊人。

The best way to learn is to teach.

真正的财富是不需要的财富。

创造出前所未见的东西是最伟大的挑战。