Karl Marx: 10 great quotes on his birthday

May 5 marks the birthday of Karl Marx, who provided intellectual foundation for an array of regimes that at one time governed nearly half of Earth's population.

2. On Ponzi schemes

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    Financier Bernie Madoff exits Manhattan federal court in New York in 2009.
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"In every stockjobbing swindle every one knows that some time or other the crash must come, but every one hopes that it may fall on the head of his neighbor, after he himself has caught the shower of gold and placed it in safety." (From "Capital: Critique of Political Economy," 1867)

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