Any change, even a change for the better, is always accompanied by drawbacks and discomforts.

我们生活中最重要的大部分事情都在我们不在的时候发生。

模型的好坏取决于其所基于的数据。

The greatest glory in living lies not in never falling, but in rising every time we fall.

最伟大的旅程是那些带我们回到自己的旅程。