This is not a rhetorical question, so let's try to answer in writing.

This is not a rhetorical question, so let's try to answer in writing.

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Those who know a topic well can express it in a book, in a page, in a line, and in a word.

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The relationships between human beings are regulated by a simple universal law, which is that of communicating vessels: those in need try to take; he who has tries to give.

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Here are three questions (one closed and two open):