The spread of liberal democracy has been accompanied by the spread of a global culture that is increasingly homogeneous.

如果你没有失败，说明你不够努力。

每一代人都应视地球为信托。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.