While it is true that no textbook (as far as I know) claim that the Chinese heartland used to be Korean, such a belief is ubiquitous in the popular culture.

在韩国确实没有课本(至少按照我的认识)把中国中原地带划为以前韩国的领土，但这种观点在韩国的大众文化里却普遍存在。

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It is a popular belief that "ganwu," or inspiration, a state of mind in which the thread of thought is suddenly animated, is accorded wide-ranging emphasis in classical Chinese poetics.

一般认为，感悟是一种思路豁然贯通的思维状态，它在中国古典诗学里受到广泛重视。

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Contrary to popular belief, a growing number of Chinese luxury consumers are exhibiting a noticeable trend away from overt displays of wealth, and towards more understated forms of luxury consumption.

FORBES: Long-Term Consumer Outlook For China Luxury