The story of human evolution is a story of migration and mixing.

使我们无法自由和高尚地活着的最主要原因是对财富的迷恋。

Tragic art, as it developed in the theaters of ancient Greece, in the fifth century B.C., was essentially an art form devoted to tracing how people fail, and also according them a level of sympathy, which ordinary life would not necessarily accord them. A few years ago, I was thinking about this, and I went to "The Sunday Sport," a tabloid newspaper I don't recommend you start reading if you're not familiar with it already.

白天鹅不每天沐浴，也是洁白的；黑乌鸦不每天暴晒，也是黑的。

The scientific study of behavior must be based on objective, measurable data.

出自汉·桓宽《盐铁论·刺赋》。释义：冰和炭不能放在同一个容器之中，太阳和月亮也不会同时照耀大地。比喻君子与小人不能同处，或比喻相互矛盾的理论不能同时运用。

技术应该为人类服务，而不是反过来。