All the world's a stage and all the men and women merely players;
They have their exits and their entrances;
And one man in his time plays many parts.
——William Shakespeare (As You Like It)
世界是一个舞台，所有的男男女女不过是一些演员，
他们都有下场的时候，也都有上场的时候。
一个人的一生中扮演着好几个角色。
——莎士比亚《皆大欢喜》
