经济研究应旨在为现实世界的决策提供信息。

激情让音乐焕发生命。

You cannot find peace by avoiding life.

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

我们必须拥抱变化，否则就有被淘汰的风险。