We must laugh at man to avoid crying for him.
与其后来替一个人婉惜，不如先嘲笑他算了。
生活中唯一不变的是变化。
The value of a network is proportional to the square of the number of connected users of the system.
The paper industry has a unique opportunity to lead the way in environmental stewardship.
可持续性不是一种选择，而是我们对后代的责任。
I try to approach each character with an open mind and a willingness to learn.