Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.
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?
There is only one good, which is knowledge, and one evil, which is ignorance.
The dairy industry must evolve to meet both consumer demands and environmental responsibilities.
Safety isn't a priority—priorities can change. Safety is a core value that never changes.
求知若饥,虚心若愚。