People who live in glass houses shouldn’t throw stones

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Those with faults should be critical of other people for having the same

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Chaucer’s 1385 poem Troilus and Criseyde. In 1651, The phrase was used by George Herbert: “Whose house is of glass must not throw stones at another.” And in 1736, Benjamin Franklin wrote, “ Don't throw stones at your neighbors if your own windows are glass.”