Freedom was a thing that shifted as you looked at it, the way a forest is dense with trees up close but from outside, from the empty meadow, you see its true limits. Being free had nothing to do with chains or how wide your cage was.

优化是在给定约束条件下做出最佳决策的艺术。

诚信是信任的基础，而信任是成功的基础。

阐释是智力对艺术的报复。

我们需要从所有权转向使用权——从产品转向服务。