品牌是由客户的体验定义的，而不是由公司的营销定义的。

The hardest single part of building a software system is deciding precisely what to build.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

A religion that gives nothing, costs nothing, and suffers nothing, is worth nothing.

可持续性不是一个流行词，而是矿业前进的唯一道路。