Dr. Malthus, an economist, an Englishman, once wrote the following words: “A man who is born into a world already possessed, if he cannot get subsistence from his parents on whom he has a just demand, and if the society do not want his labor, has no claim of right to the smallest portion of food, and, in fact, has no business to be where he is. At nature’s mighty feast there is no vacant cover for him. She tells him to be gone, and will quickly execute her own orders...” As a consequence of this great principle, Malthus recommends, with the most terrible threats, every man who has neither labor nor income upon which to live to take himself away, or at any rate to have no more children. A family, — that is, love, &mda... (From : anarchism.pageabode.com.)
Proudhon, Pierre Joseph. System of Economical Contradictions: or, the Philosophy of Misery Electronic Text Center, University of Virginia Library 3. -- Application of the law of proportionality of values. Every product is a representative of labor. Every product, therefore, can be exchanged for some other, as universal practice proves. But abolish labor, and you have left only articles of greater or less usefulness, which, being stamped with no economic character, no human seal, are without a common measure, -- that is, are logically unexchangeable. Gold and silver, like other articles of merchandise, are representatives of value; they have, therefore, been able to serve as common measures and mediums of exchange. But the special function which custom has allotted to the precious metals, -- that of serving as a commercial agent, -- is purely conventional, and any other article...