alkafi-14804Vol. 8, p. 88
مَا مِنْ دَاءٍ إِلَّا وَ هُوَ سَارِعٌ إِلَى الْجَسَدِ[3]- يَنْتَظِرُ مَتَى يُؤْمَرُ بِهِ فَيَأْخُذَهُ وَ فِي رِوَايَةٍ أُخْرَى إِلَّا الْحُمَّى فَإِنَّهَا تَرِدُ وُرُوداً.
Abu Abdullah (asws) said: ‘There is none from the illnesses, but it waits, prior to rushing to the body (infecting), until after getting orders to act upon it’. And in another report: ‘Except for the fever, for it starts working as it comes’.