The ruling on greeting a disbeliever with other than the greeting of Islam.

The Shaykh : And there is no harm, of course, in greeting them with something like their greeting, a peace that carries no specific meaning, such as "good morning" or "good evening." However, saying "As-salamu alaykum" to them is a matter specific to the Muslim for the Muslim. How could it be otherwise? The peace, as he (peace and blessings be upon him) said in the authentic hadith: . So when a Muslim says "As-salamu alaykum" to his Muslim brother, by this explicit text from the authentic hadith, its meaning is as the common people say today: "May the name of Allah be upon you," meaning that you are surrounded by Allah (Mighty and Majestic) with His care and protection. Such a supplication is only deserved by one who believes in the Islam that brought peace. We take all of this from his (peace be upon him) saying: . Then this response, as well as the initial greeting, has rulings that the scholars mentioned in their explanation of this hadith.