When you change the way you look at things, the things you look at change.

Now some advantages particular to this age are not to be denied. Boredom seems to have been vanquished. There is always something to do, but hasn’t this translated into a perpetual distraction in our lives.

把你的手放在滚热的炉子上一分钟，感觉起来像一小时。坐在一个漂亮姑娘身边整整一小时，感觉起来像一分钟。这就是相对论。

成功的市场设计关键在于预测参与者在不同规则下的行为。