وَنُنَزِّلُ مِنَ ٱلۡقُرۡءَانِ مَا هُوَ شِفَآءٞ وَرَحۡمَةٞ لِّلۡمُؤۡمِنِينَ وَلَا يَزِيدُ ٱلظَّـٰلِمِينَ إِلَّا خَسَارٗا
And We send down, of the Koran, that which is a healing and a mercy to the believers; and the unbelievers it increases not, except in loss
Author: A. J. Arberry