Sheikh ul-Islam Ibn Taymiyyah رحمه الله said in Al-Aqidah Al-Wasitiyyah:
By these principles [Ahl us-Sunnah wal Jama’ah] encourage well-known righteous deeds and forbid evil deeds in accordance with what is ordained by the Sharia. And they believe in practicing Hajj (pilgrimage) and Jihad (struggle for the cause of Allah), in attending Friday communal prayers and the holidays with the leaders, be they pious or wicked, and in observing the community prayers. They believe in advising the Ummah (nation of Muslims), and they firmly believe in the Prophet’s صلى الله عليه وسلم saying:
