https://abukhadeejah.com/imaam-ahmad-the-sinners-of-ahlus-sunnah-are-the-friends-of-allaah-the-worshippers-of-ahlul-bidah-are-the-enemies-of-allaah/
Imaam Ahmad: The Sinners Of Ahlus-Sunnah Are The Friends Of Allaah; The Worshippers of Ahlul-Bid'ah are the Enemies of Allaah