In order to have great happiness, you have to have great pain and unhap-piness - otherwise how would you know when you're happy?

In order to have great happiness, you have to have great pain and unhap-piness - otherwise how would you know when you're happy?

为了获得巨大的幸福，你必须经历巨大的痛苦和不幸——否则你怎么知道你什么时候是幸福的?

-- Leslie Caron 莱斯利·卡伦