Gratis versus libre
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No such thing as a free lunch
No free lunch in search and optimization
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No free lunch theorem
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Get-rich-quick scheme
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Free lunch
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Hidden cost
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List of political slogans
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The Moon Is a Harsh Mistress
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Opportunity cost
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Libertarian Party (United States)
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TINSTAAFL
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There is no such thing as a free lunch
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No free lunch
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Tanstaafl
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TNSTAAFL
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