How to be a caller to the Book and the Sunnah?

The Shaykh : ... But our voluntary submission to Allah (Mighty and Majestic) is what benefits us most in our religion. This Salafi logic is missing today; it is the one that supports people's material interests. This is the gambling, and this is the world. And the one who tells you, "This is not permissible, and this is not permissible," even if he says it based on what Allah and the Messenger of Allah (peace and blessings be upon him) said, is considered strict.