The Criterion
IN THE NAME OF GOD, THE MOST GRACIOUS, THE DISPENSER OF GRACE[25:72]
And [know that true servants of God are only] those who never bear witness to what is false, and [who], whenever they pass by [people engaged in] frivolity, pass on with dignity;

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* v.72 : Implying that neither do they themselves ever bear false witness (i.e., in the widest sense of this expression, tell any lie), nor do they knowingly take part in anything that is based on falsehood (Rāzī).