To tax the larger incomes at a higher percentage than the smaller, is to lay a tax on industry and economy; to impose a penalty on people for having worked harder and saved more than their neighbors.
作品是一种地图绘制。
Motivation is the art of getting people to do what you want them to do because they want to do it.
你停止学习的那一刻,就是你开始失败的那一刻。
一个好的数学问题的定义是它产生的数学,而不是问题本身。
The only way to find the truth is to lose yourself.