All happy families are alike; each unhappy family is unhappy in its own way.

人们不是因为变老而停止追求梦想，而是因为停止追求梦想而变老。

我认为当你停止学习的那一刻，你就停止了成为一个作家。

We must balance short-term energy needs with long-term environmental goals.

一切皆有原因。