If emancipation of the ...

If emancipation of the working classes requires their fraternal conncurrence, how are they to fulfill that great mission with a foreign policy in pursuit of criminal designs, playing upon national prejudices, and squandering in piratical wars the people\'s blood and treasure? It was not the wisdom of the ruling classes, but the heroic resistance to their criminal folly by the working classes of England, that saved the west of Europe from plunging headlong into an infamous crusade for the propagation of slavery on the other side of the Atlantic.
If emancipation of the working classes requires their fraternal conncurrence, how are they to fulfill that great mission with a foreign policy in pursuit of criminal designs, playing upon national prejudices, and squandering in piratical wars the people's blood and treasure? It was not the wisdom of the ruling classes, but the heroic resistance to their criminal folly by the working classes of England, that saved the west of Europe from plunging headlong into an infamous crusade for the propagation of slavery on the other side of the Atlantic.
 Karl Marx

Quotes from the same author

Under private property, each tries to establish over the other an alien power, so as thereby to find satisfaction of his own selfish need. The increase in the quantity of objects is therefore accompanied by an extension of the realm of the alien powers to which man is subjected, and every new product represents a new potentiality of mutual swindling and mutual plundering.
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 Karl Marx
The wealthy man is the man whois much, not the one who has much
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 Karl Marx
The ruling ideas of each age have ever been the ideas of its ruling class.
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 Karl Marx
Labour is ... not the only source of material wealth, i.e, of the use-values it produces. As William Petty says, Labour is the father of material wealth, the earth is its mother.
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 Karl Marx
The social principles of Christianity preach cowardice, self-contempt, abasement, submission, humility, in a word all the qualities of the canaille
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 Karl Marx