[10. Surah Yunus: Ayah 57] “O men! there has come to you indeed an admonition from your Lord and a healing for what is in the breasts and a guidance and a mercy for the believers.”
[10. Surah Yunus: Ayah 58] “Say: In the grace of Allah and in His mercy– in that they should rejoice; it is better than that which they gather.”
[17. Surah Bani Israel: Ayah 82] “And We reveal of the Quran that which is a healing and a mercy to the believers, and it adds only to the perdition of the unjust.”
[41. Surah Ha-mim Sajda: Ayah 44] “It is to those who believe a guidance and a healing; and (as for) those who do not believe, there is a heaviness in their ears, and it is obscure to them; these shall be called to from a far-off place.”