Difficult Detection

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Romans 16:17-20

Now I beseech you, brothers, mark them which cause divisions and offenses contrary to the doctrine which you have learned…

The French have grown so clever at imitating pearls, that a jeweller in the Exhibition shows a necklace which purports to be a mixture of true pearls and false; and he challenges his customers to single out the real ones if he can. Nobody has yet succeeded We are told that there is only one way by which they can be detected, and that is by their specific weight; the false are much lighter than the real pearls.

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