مروي عن الأئمة المعصومين عليهم السلام في كتب الأدعية المعتبرة.
Twenty-third: Imam Muhammad al-Baqir ('a) is reported to have said: Whenever you see a diseased or defected person, you should repeat this saying three times inaudibly, without letting him hear what you say. If you say so, you will not be affected by that disease or defect:
La ishirini na tatu: Imepokelewa kutoka kwa Imam Muhammad al-Baqir (a.s) kwamba amesema: Kila unapomuona mtu mwenye ugonjwa au ulemavu, unapaswa kurudia maneno haya mara tatu kwa siri, bila yeye kusikia unachosema. Ukisema hivyo, hautaathiriwa na ugonjwa huo au ulemavu huo: