Bien sûr, il me pardonnera; c'est son métier. [Of course he [God] will forgive me; that's his job.]
Notes from Wikiquote
Quoted as “Gott wird mir verzeihen, das ist sein Beruf.” in Letzte Worte auf dem Totenbett. Quelle: Alfred Meißner: "Heinrich Heine. Erinnerungen" (1856), Kapitel 5 | As quoted in Heinrich Heine (1937) by Louis Untermeyer
Variants
Why, of course, he will forgive me; that's his business.