The first opinion regarding sacrificing Udhiyyah on Eid al-Adhaa on behalf of a deceased person.
What do you advise us with in regards to how we deal with the innovators whom we see, speak and work with almost every day?
From the manners that is befitting for you to be upon, O dear Daa’ee, is to be tolerant in your Da’wah, gentle in it, and to be forbearing and very patient – just as the Messenger used to be.
At the same time, however, Ahlus Sunnah should remain in contact with People of Innovation in order to advise, direct, educate and give them understanding of the religion
When is it permitted to cut off (i.e. boycott) from an Innovator? When is it permitted to hate for the sake of Allaah? Is boycotting effective in this era?
I advise all of my brothers to verify whatever is spread by the people regarding the scholars and other than them
The Sunnah is a legal proof by itself, upon those who hear it from him, may prayers and peace be upon him, & upon those whom it reaches via authentic chains of narration.
This of course, is based on the consensus of the people of knowledge, and the reality that it is a source of legal authority by itself upon the entire Muslim nation.