免费游戏最贵的成本是玩家的信任，一旦透支就再也买不回来。

我们看待事物的方式、而不是事物本身如何，决定着一切。

The best decisions are made with both data and intuition.

The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

Our modern skulls house a Stone Age mind.

The best leaders are those most interested in surrounding themselves with assistants and associates smarter than they are.

如果我们为了利润率而牺牲环境承诺，那么利润率就毫无意义。