The only time you should ever look back is to see how far you've come.
环境不是刺激的马赛克，而是一个力场，其中每个部分都与其他部分动态相关。
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
The greatest glory in living lies not in never falling, but in rising every time we fall.
Our goal is to make farming more efficient while reducing environmental impact.