量化宽松的问题在于它在实践中有效，但在理论上却行不通。

In computational learning theory, we seek to understand the fundamental principles that govern learning from data.

恐惧比利剑更伤人。

It's not about how much you have, but how much you enjoy what you have.

The best way to be happy is to forgive.

Time flies over us, but leaves its shadow behind.

你知道的越多，你就越意识到你不知道的越多。