это связано:

Diogenes is the first person known to have said, "I am a citizen of the whole world" (cosmopolites). This was a radical claim in a world where a man's identity was intimately tied to his citizenship in a particular city state. An exile and an outcast, a man with no social identity, Diogenes made a mark on his contemporaries.

если провозглашаешь себя безгражданным
в мире, где гражданство иметь обязательно,
автоматически становишься изгоем,
и в приличный дом тебя не пускают

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