模型的好坏取决于其所基于的数据。

Continuous improvement isn't just a process, it's a mindset that should permeate every level of our organization.

家不是一个地方，而是一种感觉。

——辛格1978年诺贝尔文学奖获奖演说

不必太纠结于当下，也不必太忧虑未来，当你经历过一些事情的时候，眼前的风景已经和从前不一样了。

If you want to go fast, go alone. If you want to go far, go together.