Happiness is beneficial for the body, but it is grief that develops the powers of the mind.

博物馆应该是论坛，而不是神庙。

It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.

只要你不放弃尝试，就永远不会失败。

我不是一个完美的人，但我每天都在努力变得更好。