The mind can be considered as a physical symbol system.
我们不是从经验中学习……我们是从对经验的反思中学习。
It is indeed an opinion strangely prevailing amongst men, that houses, mountains, rivers, and in a word all sensible objects, have an existence, natural or real, distinct from their being perceived by the understanding.
商业中最危险的一句话是:"我们一直都是这么做的。"
透明度建立信任——我们有责任向客户展示我们完整的环境影响。
世界现在比以往任何时候都需要负责任的采矿。