孤单是一个人的狂欢狂欢是一群人的孤单
[gū dān shì yī gè rén de kuáng huān kuáng huān shì yī qún rén de gū dān]
Loneliness is the Carnival for One, Carnival is the Loneliness of Crowds. Suggests sometimes loneliness feels like a wild personal party; at other times, even among throngs of revelers can bring on a stark form of loneliness