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40.78 . Verily We sent messengers before thee , among them those of whom We have told thee , and some of whom We have not told thee ; and it was not given to any messenger that he should bring a portent cave by Allah ' s leave , but when Allah ' s commandment cometh ( the cause ) is judged aright , and the followers of vanity will then be lost .
 [Al-Mu'min:78]
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