解释：影子的弯曲与正直是随身体而变化的，根源不在影子自身；自己的屈曲与伸直是随外物而变化的，而不在于个人的主观意志。这就是保持谦退才能使自己处世为先的道理。

智能基础设施将重新定义城市发展。

The process is the art; the product is just evidence.

The loneliest moment in someone's life is when they are watching their whole world fall apart, and all they can do is stare blankly.

未经省察的人生不值得过。