Without thinking more, I think it's just telling us a simple truth: Be careful of everything that seems to satisfy you, nothing is a free lunch without a price. The children's eyes are hidden, can it be understood that they have lost the ability to observe and think about the world under high pressure, and tell the children not to be satisfied with the comfortable life given by adults, and to find everything in this world independently. And without the eyes, the world is just a puppet when it is content.
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