The decline of violence may be the most significant and least-appreciated development in the history of our species.

幸福不能只存在于你自己的头脑中。幸福是感觉良好与实际拥有意义、良好关系和成就的结合。

The real value of a bank lies in its ability to serve the real economy.

幸福和不幸取决于我们对事物的看法。