“Scilurus on his death-bed, being about to leave four-score sons surviving, offered a bundle of darts to each of them, and bade them break them. When all refused, drawing out one by one, he easily broke them,—thus teaching them that if they held together, they would continue strong; but if they fell out and were divided, they would become weak.”
31 Scilurus
Apophthegms of Kings and Great Commanders
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Plutarch 251
ancient Greek historian and philosopher 46–127Related quotes

§ 1
Reflections on the Formation and Distribution of Wealth (1766)
Context: If the land was divided among all the inhabitants of a country, so that each of them possessed precisely the quantity necessary for his support, and nothing more; it is evident that all of them being equal, no one would work for another. Neither would any of them possess wherewith to pay another for his labour, for each person having only such a quantity of land as was necessary to produce a subsistence, would consume all he should gather, and would not have any thing to give in exchange for the labour of others.

“He who would teach men to die would teach them to live.”
Book I, Ch. 20
Essais (1595), Book I
Variant: He who should teach men to die would at the same time teach them to live.

From a series of interviews with Marco Livingstone (April 22 - May 7, 1980 and July 6 - 7, 1980) quoted in Livingstone's David Hockney (1981), p. 185
1980s

Source: Quotes of Paul Cezanne, after 1900, Cézanne, - a Memoir with Conversations, (1897 - 1906), p. 124, in: 'What I know or have seen of his life'