1, the lips die and the teeth are cold. It embodies the view that things are generally related. Things influence and restrict each other, just like lips and teeth. Another example is "the city gate is on fire, which harms the fish in the pool", "the river overflows and the river dries up", and "the mantis catches cicadas and the yellowbird is behind", all of which belong to the same truth. This is contrary to the view that things are generally related. It doesn't see the mutual influence and restriction between things. It only pays attention to the immediate interests, but ignores the long-term interests in the process of successive development of things. Another example is "killing the goose to get the egg" and "destroying forests to cultivate land", all of which belong to this category. 3. Those who don't seek the overall situation don't seek a domain. This means that the whole and the parts are interdependent. You will lose the meaning of existence. Therefore, when we think about problems and do things, we must take the overall situation into consideration. Another example is "the country enriches the people and strengthens the country, and the country destroys the people."