泉水虽可共享，但谁又能否认，在水罐中所盛的水只属于取水的人呢？
Though the water running in the fountain be every one's, yet who can doubt, but that in the pitcher is his only who drew it out?
Every detective carries his own darkness.
The conjectures of the Langlands program are a challenge to the next generation of mathematicians.
The first lesson of crisis management is to get ahead of the curve.