Want to get really crazy?

List of more than 100 Wikipedia paradoxes:
ru.wikipedia.org/wiki/%D0%A1%D0%BF%D0%B8%D1%81%D0%BE%D0%BA_%D0%BF%D0%B0%D1%800 % B4% D0% BE% D0% BA% D1% 81% D0% BE% D0% B2

Here is what you can wrestle with. Recently, a link to the paradox of two envelopes slipped on Habré, and so I think over it for several hours - my head is on fire.
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And how many more paradoxes that I have not even heard about ...

Attention, the question. Why are these paradoxes still not understood at school / in the first years of higher education institutions, and at what details, seriously understood, and not just mentioned? It is the resolution of these paradoxes, their understanding, that can reveal to the students complex phenomena to which there is no other interest.