人类的历史在很大程度上是与环境斗争的历史。

用户需求是产品开发的出发点，也是落脚点。

I don’t let the past define me, I let it refine me.

The Eskimos had fifty-two names for snow because it was important to them: there ought to be as many for love.

心灵不是一个物体，而是一个过程——一个不断变化的体验与适应的流动。