<span>ideas that developed in one aspect of life will affect other aspects of life
I think that is the answer you are looking for.
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They were more likely to get injured than adults.
I hope this is one of the choices.
The principle of Yin and Yang is that all things exist as inseparable and contradictory opposites, for example, female-male, dark-light and old-young. The principle, dating from the 3rd century BCE or even earlier, is a fundamental concept in Chinese philosophy and culture in general.