The Ruling on Da'wah Outside Islamic Lands

Question:
The second question: In your capacity as the head of the Department of Da'wah and Guidance, is there a basis for da'wah outside Islamic lands, given that Islamic lands are sick from within, as is observed and is the reality, and Allah is the One to be sought for help?

Answer:
Yes, da'wah to Allah is required. The Prophet (peace and blessings be upon him) called to Allah and sought the people, calling to Allah and accepting a city in which there were hypocrites and some polytheists. So da'wah to Allah is valid both inside and outside. One should not say, "This should not be done; as long as our lands have this condition, we do not call the outsiders." No, we call both the insiders and the outsiders. We see the reform of the interior and desire the reform of the interior, but that does not prevent da'wah in the exterior. The Prophet (peace and blessings be upon him) sent [someone] to [a place], and he became with the Prophet (peace and blessings be upon him), and he ordered him to direct himself to the Jews and call them to Islam. And there descended in it those who were in it, of the hypocrites and of the believers, originally, and [he] was sent to the side...