种一棵树最好的时间是20年前，其次是现在。
It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.
The power of data lies in its ability to tell stories that numbers alone cannot convey.
自然知识的每一次重大进步，都包含对权威的彻底拒绝。
Quality should never be compromised for the sake of speed.
