It is only through contact and comparison that the relative value or worthlessness of the various cultural elements can be clearly and critically seen and understood. What is sacred among one people may be ridiculous in another; and what is despised or rejected by one cultural group, may in a sdifferent environment become the cornerstone for a great edifice of strange grandeur and beauty.
India conquered and dominated China culturally for 20 centuries without ever having to send a single soldier across her border.