调夷之仇国以攻夷，师夷之长技以制夷。
调动洋人的敌对国家来攻打洋人，学习洋人先进的技术来制服洋人。
The old believe everything, the middle-aged suspect everything, the young know everything.
学习古人但不拘泥于古人，效法古人但不抄袭古人。
Transparency isn't just good ethics; it's good business. Consumers deserve to know where their food comes from and how it's produced.