理性预期假说并不意味着人们能完美预测未来；它意味着人们不会犯系统性错误。

In the long run every program becomes rococo - then rubble.

我们学会了爱自己，现在我敦促你“为自己发声”。

The key to successful trading is to know when to buy and when to sell.

Collaboration between nations is key to solving overfishing in international waters.

每一种东西的价格都会因时间和地点的不同而涨落；每一次这样的变化都会改变货币的购买力。