Some students of knowledge have directed certain criticisms towards a specific group of individuals from amongst the Du‘aat who have have fallen into mistakes related to Manhaj.
O Shaykh, can you name for us some of the books that are upon the methodology of the Salaf, that are necessary for the young Salafee to acquire and add to his book collection?
What is the ruling of cursing the sinner of [the command of] Allaah in a certain matter, even if the sin was minor?
What is the best book for studying Tawheed and the Islaamic ‘Aqeedah and how can a person obtain it?
What is the ruling regarding the one who judges between the people based upon ignorance (i.e. whilst he is unqualified to do so)?
And they approve of people based upon this [principle], or they say “The Asl of people is [that they are upon] the Sunnah.” So what is the ruling concerning the one who says this?
Proceed with calmness and tranquility up until you enter their land, then invite them to Islaam and inform them of what Allaah the Most High has made obligatory upon them.
As it relates to non Muslims entering the Masjid, there are those who claim that it’s permissible for them to enter the Masjids, perhaps Allaah will guide them.
So the call to Allaah can be to a single individual or to a group of people in the Masaajid, in club organizations, in universities, in schools or any other place.
The one who is calling to Allaah should forbid the evil with his hand providing that he is able and qualified to do so