Be slow to fall into friendship,but when you are in,continue firm and constant.
缓慢落入友谊,但当你正在进行时,继续保持坚定和不变。
The light of reason is different from the light of nature.
The streets were dark with something more than night.
释义:即使官员清廉如水,也很难避免手下那些圆滑狡猾的属下所带来的麻烦或阻碍。
Every chemical process we develop must pass three tests: Is it safe? Is it sustainable? Is it scalable?