But if you just mind your own business, you can go about daily life.

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In Mind Your Own Business, he criticized top-down management, writing that the role of the leader is ''catalyst, conscience and inspirer.

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"You could get lost and mind your own business, " I said.

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According to his memoir, Mind Your Own Business, he volunteered to teach black children in Prince Edward County in Virginia in 1963 after local authorities closed the county schools rather than desegregate.

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Lesson: Mind your own business.

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