"A chain is only as strong as its weakest link. Or, a chain is no stronger than its weakest link"
— Thomas Reid

January 1, 1970

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Original Language: English

Sources

Cf. Thomas Reid Essays on the Intellectual Powers of Man, 1786, Vol. II, p.377, Essay VII, Of Reasoning, and of Demonstration, ch. 1: "In every chain of reasoning, the evidence of the last conclusion can be no greater than that of the weakest link of this chain, whatever may be the strength of the rest." Essays on the Intellectual Powers of Man